Identify the type of sample used. A store employee surveys every 20th person who enters the store. A. convenience B. simple random C. stratified random D. systematic

Ising prime factorization to find lcm and gcf of 10,72

Which expression is the factorization of x2+10x+21

Original price = $55.00 Discount %=25% Sale price =

4000 principal earning 7% compounded annually, 7 years

What is the exact value of cos 45° as found on the unit circle?

A tub of water is emptied at a rate of 3 gallons per minute. The equation y - 12 = - 3 (x - 1) models the amount of water remaining, where x is time (in minutes) and y is the amount of water left (in gallons).

Solve. If there are X teams in a sports league and all the teams play each other twice, a total of N (x) gamers are played, where N (x) = x^2-x. A soccer league has 10 teams, each of which plays the others twice.

Jake has piece of yarn that is 4 feet long. Blair has a piece of yarn that is 4 inches long. Who has the longer piece of yarn?

How to solve 6p^2-42p-48

Lie needs 15 pieces of string 1/2 of an inch long. She cut a 6 inch piece of string into pieces that are each 1/2 of an inch long. How many more pieces of string does she need?