What expression would give the number of ways to choose a group of 7 from a group of 15?

jake reads for 20 minutes after school. he reads x more minutes after dinner. enter an equation that represents the total number of minutes, y, that jake read

Write a fraction decimal value between 1/2 and 3/4

Menswear projections for 2005 are bleak. The best projection available shows menswear sales to be similar to what they were in 2001. By how much would menswear sales have to decrease in 2005 to approximately the same as the menswear sales in 2001

Karl starts the engine on his small private airplane. The engine drives a propeller with a radius of 9 feet and its centerline 12.5 feet above the ground. At idle, the propeller rotates at a constant speed of approximately 750 revolutions per minute.

One case of soap bars and there are 150 bars in a case you use 300bars of soap per day how many cases do you need to order for 7days

Six students took a national standardized test for which the average score was 700 and the standard deviation was 150. If a student's z-value is 1.75 on the test, what was the student's score?

Mary is driving on the highway. she begins the trip with 16 gallons of gas in her car. the car uses up one gallon of gas every 20 miles. write an equation

One eighth times what equals 1?

What is 94% of 1000?

Eva earned the following test scores in science: 82, 100, 96, 90, 91 Ms. Wade entered the next score as 0 because Eva was absent on test day and hadn't had a chance to make up the test.