Answer:
340 square feet
Step-by-step explanation:
we know that
The area of the wall surface is equal to the area of the four rectangular faces minus the combined area of the one window and one door in her room
so
![SA=2[(8)(10)]+2[(8)(15)]-60](https://tex.z-dn.net/?f=SA%3D2%5B%288%29%2810%29%5D%2B2%5B%288%29%2815%29%5D-60)

Answer:

Step-by-step explanation:




: Plug the value of x

: Evaluate the power
: Multiplying a negative integer by a negative integers gives a positive integer.

: Multiply : 3 by -4
: Multiplying positive integer by any negative integer gives a negative integer.

: ( + ) * ( - ) = ( - )

: Subtract 12 from 16

: Subtract 7 from 4
: The negative and positive integers are always subtracted but posses the sign of the bigger integer.

Remember to follow PEMDAS
Parentheses , Exponents , Multiplication , Division , Addition , Subtraction
Hope I helped!
Best regards! :D
~
Answer:
C
Step-by-step explanation:
perpendicular lines intersect at a 90 degree angle, meaning it is not answer choice A.
B is incorrect because perpendicular lines intersect, so they can not be parallel.
C is correct because parallel lines never intersect, so perpendicular lines can never be parallel to each other.
D is incorrect because perpendicular lines only intersect at one point and create four consistent right angles.
Answer:
50.24
Step-by-step explanation:
4x4x3.14
(4 because of the radius)
(3.14 because of pi)
Answer:
6424
Step-by-step explanation:
You would have to set up an equation like this:
amount of pencils times how many times she goes to the store = total number of pencils
if you insert the numbers you get 6424 pencils