Apine tree grows about 18 inches per year. after how many years will the tree be 90 inches tall? [type your answer as a number.]

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

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

Guys can y’all me because i don’t understand to the questions of my cousin she tell me to do the homework plz me guys