David wins if he gets 8 or more right. what is the probability that he will win (

a. if he is just guessing? (

b. if he gets the right answer with probability 0.9?

What is ratio and a example?

Write a quadratic function that is concave up with only one x-intercept at 32.

Assume that military aircraft use ejection seats designed for men weighing between 135.2135.2 lb and 206206 lb. If women's weights are normally distributed with a mean of 173.7173.7 lb and a standard deviation of 46.446.

Mike paid 2.94 in sales tax on an item that cost $42 before tax at that rate how much would he pay in sales tax for an item that cost $58 before tax

Simplify: ((x-5) 3/2) ^2/3

What are the zeros of f (x) = x^2-8x+15

What is the average speed on a car that travels 800 kilometers in 20 hours?

Solve the following equation. Then place the correct number in the box. 3x + 1 + 5x = 7 + 15 = 7x X =

Party favors are on sale for $2.40 each. You have $380 to spend on the decorations and gifts, and you have already spent $270 on decorating. Write and solve an inequality to find the number of party favors you can buy.

Cody was invited to a birthday party that started at 3:30. If the party ended at 7:25 how long did the party last?