Adam had 91dollars. If he spent 21 dollars on new books, what is the ratio of the money he still has to money he's spent.

Suppose that 5% of the general population has a disease and the test for the disease is accurate 80% of the time. What is the probability of testing positive for the disease? A. 23% B. 32% C. 26% D. 29%

Write the coefficient of x in 2+xsqaure+x

Simplify (2n + 5) - (3n + 7) + (4n - 9). - 3n - 11 3n - 11 - 3n + 11 3n + 11

Solve this equation 1/8x=-4,200

A real-estate agent earns a commission on a house she sells. Her commission 5% on the first $500,000 ofthe sale price of the house. She then earns a 6% commission for the amount above $500,000 of the salé price of the house.

What is a better deal 25 tickets for $10 or 120 tickets for $50.

Analyze the way in which the diary of a young girl by anne frank is related to the themes and issues of its historical period.

Find the GCF of the following: a) xy, y2x, x2y b) x2, x3, x3 c) y2 (2y - 1), 3 (2y - 1)

What is 1/2p-8=40. (Don't mind this part)

Analyze the data sets below. Which of the following statements are true?