Supposed to 22 inches of wire cost $.66 at the same rate how much in cents 18 inches of wire cost?

How do the graphs of y = 1/x and y=5/x+6 compare?

What are the soultion(s) to the quadratic equation 40- x^2=0

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