Rewrite using a single positive exponent

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *