6X to the power of 2+ 3X plus 4X to the power of two -X +9-7+ 7X to the power of 3+5

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.