There are 30 students in a class. The teacher will choose 2 students at random to represent the class at an assembly. How many groups of 2 students can be chosen?

What is the answer to 9 * (6 * 5 + 8 to the power of 2) + 10 in order of operations

Craig has $102 to but food for his cats and birds. Bags of bird food cost $17 each and bags of cat food costs $6 each. Write an inequality to represent how many bags of bird food, b, and cat food, c, he can buy.

A bag contains 40 marbles. There are 26 blue, 5 green, 5 red, 2 yellow, and 2 black marbles. Without looking, Leyla reaches into the bag and draws one marble. What is the probability she draws a green marble?

To make a greeting card Bryce use 1/8 sheet of red paper 3/8 sheet of green paper and 7/8 sheet of white paper how many sheets of paper did Bryce use?

What's 7⁄8 as a decimal? A. 8.7 B ...875 C ...78 D. 7.8

A house wife forgot her bank ATM PIN which is a four digit number, but luckily she remembered some hints on how to recall this "PIN Here are some of the clues (1) The 1st digit is half of the 2nd (2) The sum of the 2nd and 3rd is 9 (3) The 4th is

Simplify the expression. 2k8 · 3k3 answers A: 6K^11 B: 6K^24 C: 5K^11 D: 5K^24

There are two less nickels than dimes, and as many quarters, as nickels and dimes together. The total amount of money is $5.25. How many quarters, dimes, and nickels are there?

Use compatible numbers to estimate the total cost of the field trip

Find the Value each power 5^3 7^ negative2 51^1