Andre says that 5 + 2 and 2 + 5 are equivalent.
Do you agree with Andre? Explain your reasoning.

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?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?