Round 5382619 to the nearest 10000

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

How many solutions does the nonlinear system of equations graphed below have?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test