7. The mean of 7,9,x + 3, 12, 2x - 1 and 3 is 9. Find the value of x.

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

The table shows values for functions f(x) and g(x) . x f(x)=3x g(x)=2x+1 −2 19 −3 −1 13 −1 0 1 1 1 3 3 2 9 5 what is the solution to f(x)=g(x) ? select each correct answer.

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y