How to turn a negative variable into a positive variable

Over the course of 4 days the price of stock at a corporation fell $28. What was the average change in stock price per day?

How many distinct triangles can be formed for which m∠A = 75°, a = 2, and b = 3?

Difference between the squares of two consecutive numbers is not divisible by 2

What is the equivalent solution to (x+5) - (x-3) (x+5)

Maya runs 100m in 13.4s and Amy can run 100m in 14.1s. If Amy were to finish a 100m race at the same time as Maya, how much of a head start, in meters, will Amy need? What information is known and unknown?

What is the solution set of this system of equations? y = x2 - 3x - 4 x = y + 8 A. { (-1, 0), (4, 0) } B. { (8, 0), (0, 8) } C. { (0, 0) } D. { (2, - 6) } E. There is no real solution.

McKenna rode 3.8 miles on her bike last Saturday. Convert this number to a fraction in simplest form.

Jake carries a green a yellow and a black guitar pic in his pocket he randomly chooses a guitar pic from his pocket before every concert what is the probability he will select the same color pic for two concerts in a row

Keith has p pennies, n nickels, and d dimes in his pocket. the total number of coins is 9. the expression 0.01p+0.05n+0.10d0.01p+0.05n+0.10d represents the value of the coins, which is equal to $0.53. he has two fewer nickels than dimes.

Is 2468 a rational or irrational number