Giving brainliest to correct answer

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

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?