Which expression provides the measure of the smallest acute angle in a 5-12-13 right triangle?

For what value of (y) is 3^3/3^y =1/9

9/10 divide by -3/15 as a mixed number

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.