Suppose that the probabilities of a customer purchasing 0, 1, or 2 books at a book store are 0.4 , 0.2 , and 0.4 , respectively. What is the expected number of books a customer will purchase?

What is the simplified expression of - 3 (8x) + 6 (4x) ?

Find the product and explain the process and reasoning step by step $0.79 * 3.7 =

Which inequality is true? A number line going from negative 3 to positive 3 in increments of 1. One-fourth less-than negative 1 and StartFraction 2 Over 4 EndFraction Negative 2 and three-fourths less-than negative 1 and one-half Negative 2 and

If Archie has 100 balls, and 55 of those balls are tennis balls, what percent of the total balls are tennis balls?

What is 89,100 with the number 9 underlined

A family went to a baseball game. They parked the car in a parking lot which charged $20. The cost per ticket was $28. Write an equation for the total cost of going to the baseball game, where y is the total cost and x is the total number of people.

Show me how to work the equation for 6*+20=-4

the total cost of a pair of shoes is $85.86. What was the cost of the shoes before the 8% sales tax was added?

The sum of two numbers is fifteen. One number is three less than the other. Find the numbers.

Which values for x and y make the statement, (x+4) (y-1) = 0, true? A) x = - 4, y = 1 B) x = - 4, y = - 1 C) x = 4, y = 1 D) x = 4, y = - 1