Find the missing factor "B" that makes the following equality true.

28x^5=(B)(7x)

a. 4x^4

b. 4x^5

c. 21x^4

d. 21x^5
the answer is a. 4x^4

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

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?

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)