Answer:
B.
Step-by-step explanation:
Integers are any whole numbers that can be positive or negative.
Rational numbers are any numbers that can be expressed as a fraction such as an integer, whole number, or decimals.
Natural numbers include 1, 2, 3 etc.
(Extra fact: 0 is not a natural number :0)
Whole numbers are are numbers without fractions or decimals.
I hope this helps :)
Answer: It should take her 13 weeks.
Step-by-step explanation:
If the bike costs $326 and she already has $131, we can subtract 131 from 326. 326-131=195. Now we know that Jennifer needs $195 dollars. Next, since she adds $15 each week, divide 195 by 15. 195/15= 13. It should take Jennifer 13 weeks so save up for her bike.
To find surface area, you would find the area of each side of the shape. Since this is a cube, each side is a square. So area=side2, So each side is 9, so 9x9=81 for each face. There are 6 faces to a cube, so 6x81=486 in2 is your answer
