Help ASAP!

5(x-4) + (2x-7)

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?

Explain how you can use the associative property to evaluate (7x50)x4.

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29