Find two numbers a and b whose sum a+b is −3, and whose difference a−b is −7.Your answer is

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.