Please help it due soon -hbhjadvchduiclb

What is the common difference in the following arithmetic sequence? 7,3,-1,-5

Which expression will have the same sum as 3_8 + 1/4?

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.