Part a

what is mr. johanssen's rate of speed in miles per hour? express your answer as

a fraction or a mixed number.

what are we supposed to do?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

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?

What is the result of adding the system of equations? 2x+y=4 3x-y=6