A. Write an equation that shows the relationship 30% of 140 is x. b. Write an equation that shows the relationship 64% of y is 40.
C. 45% of z is 72. Find the value of z.

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function