Which is a zero of the function defined by 2x² + x - 45? a. -9b. -5c. 5d. 9 show some work

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

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6