80 book to 64 books what is the percentage of change

What is the probability of selecting a boy or a blonde-haired person from 12 girls, 5 of whom have blonde-haired and 15 boys, 6 of whom have blonde-haired

Members of a polling organization survey 600 of the 6,342 registered voters in a town randomly choosing names from a list of all registered voters. Is their sample likely to be Representative

Patty went to the shopping mall at 11:30am. She stopped for 25 minutes. She spent 40 minutes eating lunch. Then she met a friend at a movie. At what time did patty meet her friend?

What number is one fourth of the way between 4 and 12.4

What quadrant is (-5,-6) on

Jenny plans to invest $9,000. America's Bank offers a 10 year CD at an annual interest rate of 3.8% compounding interest semi-annually.

Re-write the quadratic function below in Standard Form y = - 3 (x - 4) (x - 4)

On Saturday Elena biked 10 miles. On Sunday she biked 50% of that distance. How far did she travel on Sunday?

Coffee costs $12 per case, and tea costs $8 per case. If an order comes in for a total of 250 cases for $2,600, what was the specific number of cases of tea? (Hint: Let C = cases of coffee.)

Factor completely 4x^2-32 4 (x+4) (x-4) 4 (x+4) (x-8) 4 (x^2-8) Prime