Use a quadratic equation to find two real numbers that satisfy the situation. the sum of the two numbers is 12, and their product is -28.
a) 2, 14
b) -2, 14
c) 2, -14
d) no such numbers exist.

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

What could explain what happened when the time was equal to 120 minutes

Anyone know? will mark brainliest if correct