What page is it because I have the same math book?Unless you're not in 8th grade then I can't help.
Answer: Square
Step-by-step explanation:
A cross section cut parallel to a base will be the same shape as the base itself, and the base of a cube is a square. :)
1.60n<56
it should be greater than or equal to because if n is the amount of notebooks she can buy than n times 1.60 needs to be less or equal to $56
Rearranging y + 15 = 3x we have
3x - y = 15
so its none of them