Find the foci of the ellipse whose equation is x^2/16+y^2/36=1

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

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

An object in geometry with no width, length or height is a(n):