Ravi is fertilizing his garden. The garden is in the shape of a rectangle. Its length is feet and its width is feet. Suppose each bag of fertilizer covers square feet. How many bags will he need to cover the garden? what is the answer? ()

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 long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.