Simplify. (x4 y3)(4xy2)(−7x3) a. −28x8y5 b. 28x8y5 c. −3x8y5 d. −11x8y5

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%