What is the solution set for 9x2-25 = 0?

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25