How much would howard steele need to invest today so that he may withdraw $12,000 each year for the next 20 years, assuming a rate of 8% compounded annually?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10