How would you do this. i really need . 8 points because they wouldn't let me do 15

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

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