Convince Mel Critique Reasoning Kevin said, "In each of the examples above, all you are doing is multiplying by one. When you multiply by 1, the value doesn't change" Is Kevin correct? Explain. 302 Topic 8 Lesson 8-3

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

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

The diameter of a bacteria colony that doubles every hour is represented by the graph below. what is the diameter of the bacteria after 8 hours? graph of a curve passing through the points zero comma 1, one comma two, two comma four, and three comma eight