Amy wants to have her birthday party at the movies. It costs $57 for pizza and
$10.50 per friend for the movie tickets. Since it is Amy's birthday, she does not have to pay
for a ticket. Write an equation to represent how many friends can Amy have at her birthday
party if she has $278 to spend.

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

What number is 7 units left of -15?

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40