Boxes that are 12 inches tall are being piled next to boxes that are 10 inches tall. What is the first time where the two piles will be the same height? PLS hel

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.

Arectangular courtyard is 12 feet long and 8 feet wide. a tile is 2 feet long and 2 feet wide. how many tiles are needed to cover the courtyard?