Paul plans to put concrete on a rectangular portion of a driveway. the portion is 12 feet long and 6 inches high. the price of the concrete is $98.00 per cubic yard. the total cost of the concrete paul needs is $108.89. what is the width of the driveway in feet which paul plans to put concrete?

How do i do this? i don’t understand

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

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)