Between 9 P. M. and 6:54 A. M., the water level in a swimming pool decreased by 9/20 . Assuming that the water level decreased at a constant rate, how much did the water level drop each hour? please answer in fraction form

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

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?

How do i do this activity, is appreciated