When would a set of data be described as variable?

You haven't been getting much sleep lately and want to see how you compare to the average CSU student. You plan to sample students and ask them how many hours they sleep per night.

Is 1/4 (8y - 12) equivalent to 2y - 12?

Desiree has 3 1/2 bags of bird seed to fill the bird feeders. Each bag weighs 3/4 of a pound. How many pounds of birdseed does desiree have? If Desiree needs double the amount of bird seed how many bags should she buy?

Write the expression (3 - 4i) + (5 + 9i) in the standard form a + bi.

Together maria and john have $70 if maria has $20. less than john, how much money does each have

What decimal is equivalent to 1,060/110?

Tanika took a test that had 20 multiple - choice questions and 10 true/false questions. she got 9/10 of the multiple choice questions correct and she got 4/5 of the true/false questions coorect.

3,10,17,24,31,38 are composite

The weight of a nickel is 80% of the weight of a quarter. if a nickel weighs 5grams how much does a quarter weigh?

Do Dinosaurs Really Exist?