Yoku is putting on sunscreen. He uses 2 ml to cover 50cm^2 of his skin. He wants to know how many milliliters of sunscreen(c)e needs to cover 325m^2 cm of his skin. How many milliliters of sunscreen does Yoku need to cover 325cm^2 of his skin?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet