Evaluate the expression.

Determine the number of combinations of 7 things taken 4 at a time.

Which of the following is a unique feature of credit unions? ACredit unions are typically owned and run by their members. BCredit unions limit membership to certain people or groups. CCredit unions offer a wide variety of banking services.

Due to an increasing population, developed land in a region is increasing at a rate of 12% per year. If there are currently 8,500 square miles of developed land, which equation models the square mileage of developed land, y, after x years?

given xy = 4 and x^2 + y^2=a, which exspression is equal to (x+y) ^2? A: a+6 B: a+4 C: a+8 D: a

There are 8 buckets of crayons in the classroom. Each bucket has 36 crayons. One of the students took 10 crayons out of each bucket. How many total crayons are there now?

Lisa and Alice are playing a game. Each player either receives or has to pay play money based on the result of their apin. The table lists how much a player reieves or pays for various spins.

How many cups of lemonade were sold in all? Write and solve an equation

A 3pack of boxes of juice costs 1.09. A 12 pack of boxes cost 4.49. A case of 24 boxes costs 8.78. Which is the best buy? Explain your reasoning

What is the answer to: 2.8 x 103 x 3.07 x 105 (written in scientific notation) ?

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

You want to estimate the number of eighth-grade students in your school who find it relaxing to listen to music. You consider two samples.