-3=u
12-2u=9u+45
add 2u to both sides
subtract 45 from both sides
divide by 11
If the area of a rectangle is 252 mm2 and the length is 21 mm, what is the width of the base?
<span>Hint: plug the Area and length into the formula and solve for W. </span>
<span>12 mm </span>
<span>------------------------------------- </span>
<span>2.) What is the area of a square with a side of 9 cm? </span>
<span>81 cm2 </span>
<span>--------------------------------------... </span>
<span>3.) Emma is going to help her mom replace the baseboards all the way around the bottom of the walls in their living room. If the room is seven and four-fifths feet by five and two-thirds feet, and the material she is interested in using costs $2.49 per foot, how much will it cost to buy the new baseboard material? </span>
<span>$67.06 </span>
<span>-------------------------- </span>
<span>4.) If the area of a rectangle is 507 mm2 and the width is 13 mm, what is the length of the base? (This is like #1.) </span>
<span>39 mm </span>
<span>----------------------------- </span>
<span>5.) What is the perimeter of a parallelogram with bases of 15 cm, side length 37 cm, and height 29 cm? </span>
<span>104 cm </span>
<span>----------------------------- </span>
<span>6.) If the length of a rectangle is 9 1/2 cm and the area is 80 3/4 cm2, what is the width of the rectangle? </span>
<span>8 1/2 cm </span>
<span>------------------------------------- </span>
<span>7.) What is the height of a triangle with base 1 1/2 m and area 9/20 m2? </span>
<span>3/5 m </span>
<span>-------------- </span>
<span>8.) What is the base of a triangle with height 8 m and area 20 m2? </span>
<span>5 m </span>
<span>------------------------ </span>
<span>9.) A section of Nathan's bedroom wall is three hundred thirty-seven centimeters long and one hundred ninety-three centimeters tall. How many square meters of wallpaper will it take to cover that section? Round your answer to the nearest square meter. </span>
<span>Remember, there are 100 cm in one meter </span>
<span>7 square meters </span>
<span>-------------------------- </span>
<span>10.) For a trapezoid: </span>
<span>height = 9 cm </span>
<span>base 1 = 28 cm </span>
<span>base 2 = 14 cm </span>
<span>area = ________ </span>
<span>189 cm2 </span>
<span>------------------------------ </span>
<span>11.) If the width of a rectangle is 2 1/2 mm and the length is 1 4/5 mm, what is the area of the rectangle? </span>
<span>4 1/2 mm 2 </span>
<span>---------------------------- </span>
<span>12.) If the width of a rectangle is 7 3/4 m and the length is 5 1/2 m, what is the perimeter of the rectangle? </span>
<span>26 1/2 m </span>
<span>----------------- </span>
<span>13.) If the length of a rectangle is 5 1/3 cm and the width is 9 1/2 cm, what is the area of the rectangle? </span>
<span>50 2/3 cm2 </span>
<span>------------------ </span>
<span>14.) For #14 and #15, find the circumference of each circle. Use 3.14 for pi and round your answer to the nearest hundredth. </span>
<span>radius = 10.14 m </span>
<span>63.68 m </span>
<span>----------------------- </span>
<span>15.) </span>
<span>diameter = 8 cm </span>
<span>25.12 cm</span>
I think the correct answer would be option B. When taking a long road trip, plan rest stops before you leave - at least once every two hours or 100 miles. In this way, you would be awake for the whole road trip. Also, you can attend to your personal needs like eating and going to the bathroom. Also, with this you would be able enjoy more of your trip, you would be able to see certain scenery closely and clearly rather than going on the road trip continuously until you reached your destination where in the long run you would just be bored and be sleepy.
Square root(-29) =5.38516481 i