Write a break-even problem and use a system of linear equations to solve it.

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

This question awards 100 ! i really don’t want to fail i will also mark you !

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0