There are 6 people in a room. Each person shakes hands once. How many handshakes will there be?

A. 10

B. 15

C. 21

D. 29

Solve the system of linear equations Y+2.3=0.45x - 2y=4.2-7.8

What x what x what = 450

Write the inequality in words. 5n - 10 > 26 ten less than a number is less than or equal to twenty-six. five times n less than ten is twenty-six. ten plus five times a number is less than or equal to twenty-six.

Jessica has a rope that is 17 meters long. She cuts away a piece that is 7.58 meters long. How long is the remaining piece of rope?

5x + 6 = 2x - 3 a. - 5 b. - 2 c. 0 d. - 3

The beginning balance of a credit card account is $500. The monthly interest rate is 0.012. If a payment of $100 is made on the last day of the month, what is the ending balance?

If 25% of an item is $17.00 what is the original price?

Slope and y intercept

A website requires a 7-digit password. How many different passwords can be made using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if each number can only be used once? A. 120 B. 70 C. 5,040 D. 604,800

What is the solution for x in the equation? 3x - 42 = - 6x + 21