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

A person works 7 days a week for 5 hours. He makes 2 dollars a minute. How much does he make in a week?

Two experiments are defined below. An event is defined for each of the experiments. Experiment I: Sarah flips a fair coin twice. Event A: Sarah flips heads both times.

A tree 7 ft tall grows an average of 6 In each year. Which equation models the tree's helght h after x years?

A lottery has a grand prize of $160,000, two runner-up prizes of $20,000 each, eleven third-place prizes of $4000 each, and twenty-one consolation prizes of $800 each.

Enter the improper fraction as a mixed number 19/6

Which expression is equivalent to (x^1/2y^1/4z) ^-2? A. x^1/2/yz^2 B. x^1/2/yz^2 C. y^1/2/xz^2 D. xz^2/y^1/2

15. Jason said that any number that has 1 as a factor must be a composite number? Do you agree? Explain your reasoning,

X-1/2 = y solve for x

What is the gcf for 25,60,75

Which properties were used to simplify the following expression? Select all that apply. 4 + 3 (9 + 2) 4 + (3 * 9) + (3 * 2) 4 + 27 + 6 4 + 6 + 27 10 + 27 37 associative property of addition associative property of multiplication commutative property