Evaluate the expression 4y/x for x=8 and y=0

Answer this question only if you know the 30 points and

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

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression