Kay walks upstairs to make her legs stronger. every day at work, she
walks up 9 flights of stairs. if there are 13 steps in 1 flight of stairs, how
many steps does kay climb in 5 days at work?

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?