A bag contains 80 marbles: 20 red, 20 blue, 20 yellow, and 20 green. What is the probability that the first 4 marbles randomly selected, without replacement, are all different

What is 1/8 divided by - 1/4?

Three things in the kitchen that you can measure the height of with inches

the expression - 50x + 100 represents the balance, in dollars, of a bank account after x months. what is the rate if change, in dollars, of the bank account balance?

What's the decimal for - 2 4/5

How can you write an equivalent expression for ° using sine? An equivalent expression for ° using cosine?

In circle O, SU is a diameter. What is m? 100° 108° 130° 160°

The admission cost for a student to the Frontier Culture Museum is $6.00. If 101 students are attending, what will the total cost be for tickets?

What is Y squared plus 5Y plus 2Y squared minus 4Y

What does a computer do when it's hungry

Brandie is trying to decide between two cell phones. One is free with a 2-year contract, but she will have to pay the sales tax of 8% on the original price$399 and the monthly charge is $10 more than she currently pays.