A poll was conducted in which every 49th student entering a school is polled. There were 496 students that entered the school on the day of the poll. Which type of sampling was used?

systematic

stratified

cluster

convenience

Write 720080 in expanded form with exponents

Use comparable numbers to find two estimates of 12 divided by 478

There are 35 times as many students at Wow University as teachers. When all the students and teachers are seated in the 8544 seat auditorium, 12 seats are empty. How many students attend Wow University. A. 237 B. 249 C. 8295 D. 8124

Arliss has two pieces of carpet runner. One is 2 1/3 yards long and the other is 3 1/3 yards long. She needs 10 yards of carpet runner altogether. How much more does she need to buy

72 multiplied by what equals 432

How many natural numbers are there in 500²and501²

Write an Algebraic Expression for Problems 1 - 6. 1. Five less than eight times a number 2. Thirteen more than a number 3. A number divided by seven 4. John went to Cinemark. The movie cost $12 and each drink cost $3.50.

In the function F (t) = 200 (0.95) ^t, what is the rare of change (in the from of precent and showing growth or decay)

The lines described by y = (a + 12) x + 3 and y = 4ax are parallel. what is the value of a

On the drive to school you pass two traffic lights. List all the combinations of lights you could get. Use R for red, G for green, Y for yellow.