the population of algae in an experiment has been increasing by 5% each day. if there were 50 algae at the beginning of the experiment, predict the number of algae in 7 days.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?