PLEASE HELP ME AT LEAST ONE OF THESE IF YOU KNOW

The polynomial function of least degree with a leading coefficient of 1 is: f(x) = x3 + ax2 + bx + c

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2