If a = -6, then 4a(3 + 5) + a^2 = ?
a. -52
b. -103
c. -156
d. -228

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3