F(x)= -20x^2+23x-6 solve it and show a little bit of work i am having a brain fart on this one

Abcd is a parallelogram. the diagram is not drawn to scale. if m

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

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