0.8 is 10 times great as which decimals? ? 0.08, .88, 0.008, or 0.888

Question 5 spring semester final exam math evaluate

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?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?