Which expressions are equivalent to this expression? y + y + y + 3z
Select each correct answer
A) 2y + 2z + y + z
B) 3 + y + 3z
C) 3(y + z)
D) 3y + z

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?

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.