If 40 people shake hands with each person in the class, how many handshakes

What is the solution? y=-x+21 y=-2x+30 a. (8,12) b. (9,11) c. (8,11) d. (9,12)

bridget makes 50 cookies to handout at school. if she has handed out 20 cookies, what percent does she have left

If (9,33) is an ordered pair of the inverse of f (x) which of the following is an ordered pair of the function f (x)

1582 divided by 19699

Alex buys 24 apples from the store. When he gets home, he finds 6 apples are bad. What percentage of the apples are bad? Round your answer to the nearest number.

What property is this in math 6 + (4+x) = (6+4) + x

Michelle lives with 2 brothers, 3 sisters, her mother, and her father. including Mitchell, 3/4 of her family likes to go swimming. How many people like to go swimming in Michelle's family?

Ten friends share 6 pizzas equally. What fraction of a pizza does each friend get?

If the average of the numbers 3, 4, x, y, and 2 is 4, what is the value of x+y?

Molly bought a case of bottled water at the store. The case contains 48 bottles. Molly knows that she will drink 3 bottles of water each day and plans to restock her supply of water once she has fewer than 10 bottles left.