Which of the following is the radical expression of a to the five sevenths power ? fifth root of a to the seventh power seventh root of a to the fifth power 5a7 7a5

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.