How many permutations of a 7-digit phone number exist

In what form is an equation that relates two proportional quantities x and y?

A students cost for last semester was 2000 dollars. She spent 200 dollars of it on that on the books. What percent of college cost was spent on books

What is the phrase as an expression: the total of 6 and 10

Ted picks 6 flowers with 4 petals on each flower. Bill picks 3 flowers with 8 petals on each flower. Join picks 2 flowers with 12 petals on each flower. Ted says they all have the same amount

What is the value of x in the equation 2.5-0.5x=-3

True or False Andy has a 40-hour per week job and leaves a certain radio on all day while he works. This radio requires 125 watts of electricity. At a price per kilowatt-hour of $0.10, it costs $0.10 to play the radio all day.

The average of two numbers is 25 and their difference is 8. What are the numbers?

a model is made of a car. the car is 9 feet long and the model is 6 inches long. what is the ratio of the length of the actual car to the length of the model

What is the mean of the following set of numbers? 32, 31, 37, 44 a. 13 b. 34 c. 36

Find the mode of these numbers: 3,2,5,2,2,5,4,3,2,5,4