Emily is entering a bicycle race for charity. her mother pledges $0.70 for every 0.75 mile she bikes. if emily bikes 21 miles, how much will her mother donate?

What is the factored form of the following expressions? d^2 – 13d + 36

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.