Find explicit formula that generates a sequence whose first four terms are:
1000, 400, 160, 64

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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?

Evaluate the expression for the given value of the variable 7a - 4a for a =8