The class went from 28 students last week to 32 students this week. What percent did the class grow by? (amount of growth is what percent of
the original class)

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone