it takes 8 minutes to fill an empty aquarium to a depth of 2/5 meters. What is the unit rate in minutes per meter? Write your answer in simplest form

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Find the quotient. 50a2 – 98b2 -5a +7b