What is the probability that in a class of 20 students, 2 of them will have the same birthday?

John's weekly salary is $478.25 his employer is changing The pay period to semimonthly. A.) What is John's annual salary? B.) What will John's semi monthly salary be to the nearest cent?

Ellen's car averages 35 miles per gallon of gas. If you used equivalent ratios to graph her car's gas usage, how would the graph differ from the graph of Luis's car's gas usage?

1/4 divided by 7/8 equals

S=a/1-r for solving for r

What is 3/4 + 8 5/8?

Find the first five term of the sequence whose nth term is given by the fallowing-4n-3

Write a problem that involves changing kilograms to grams. explain how to find the solution.

Tony is having a cookout and has to spend. He wants hamburgers that are $6 a box and hotdogs that are $2 a package. If he buys 2 boxes of burgers, how many packages of hotdogs can he buy?

What are the numbers that have an absolute value of 2 and 1 half

Find volume of length=6 width=5 height=5