Theo is using the Quadratic Formula to solve a quadratic equation. Which of the following is the next step for simplifying x=−4±4√6/2

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244