Find the interest
earned
$15000for 7.5 years at 4.2 annual compound interest

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

In the triangles, bc =de and ac fe. if the mzc is greater than the mze, then ab isdfelth