Find the height of a door on a scale drawing if the door is 2 meters tall and the scale is 1 centimeter = 4 meters. round to the nearest tenth.

What is the value of x in the diagram below?

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

Which expression is equivalent to 3^3 + 2^2?