Can the numerator be bigger than the denominator

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x