Mary rented a truck for one day. There was a base fee of $13.50, and there was an additional charge of 9 cents for each mile driven. The total cost, C (in dollars), for driving x miles is given by the following function.
cx) =0.09x +13.50
What is the total rental cost if Mary drove 20 miles?

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 area of an equilateral triangle with a side of 6 inches

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.