Confused!? Pls, help me correctly and quickly.

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.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table