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)

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?