Josh and Chris are racing their derby-car models in a boxcar derby. Two of the six racers in each heat are chosen at random to get the outside lanes. What is the probability that Josh and Chris will both get an outside lane in the first heat?

Scores on a test have a mean of 70 and a standard deviation of 11. Michelle has a score of 48. Convert Michelle's score to z score.

The mean hourly salary of the 10 employees at a fast-food restaurant is $8.25. One of the employees earning $6.50 an hour leaves the company, and another employee is hired at $5.50 an hour. What is the new mean salary of the employees?

Y = square root of x, dx/dt = 12, find dy/dt when x = 9

What is the absolute value of - 4/5,1/2,0.2, and - 0.5

Consider the differential equation y'' - y' - 12y = 0. Verify that the functions e-3x and e4x form a fundamental set of solutions of the differential equation on the interval (-[infinity], [infinity]).

How a net useful when finding te surface area of prism and pyramid

The expression 15.85 (1+x) gives the total cost of a toy, where x is the sales tax percent written in decimal form. What does 1 + x represent in the expression? amount of tax percent of tax percent of original price paid including tax cost of toy

When you buy a dozen bagels for $2.39, you get an additional bagel free. What is your cost per bagel?

London purchased 4 3/4 pints of ice cream for a party. If each guest will be served exactly 2/3 pint of ice cream, what is the greatest number of guests that London can serve?

If A = (4,-5) and B = (7,-9), what is the length of AB? A. 5 units b. 6 units c. 7 units d. 8 units