Select location using number line -1 3/10 + 2/5

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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.

The tile along the edge of a triangular community pool needs to be replaced? ?