Find the Vertex given the Standard form

y = -7x^2+x-112

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Consider the function f(x)=-5x+3 what is f(-2)

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.