8. Rocky held a certain amount of money in his right hand and a certain amount in his left hand, totaling $60. The amount in Rocky's right hand is
$24 more than the amount in his left hand. Write an equation and solve it
to determine how much Adrian holds in his right and left hands.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307