There are 30 people at a meeting, They each shake hands with everyone. How many

handshakes were there? Hint: Think "The number of combinations of 30 people at a

meeting giving handshakes to each other 2 at a time."

What is the value of 3/7 times. 1 divided by 5/21

What is the range of f (x) = 3x + 9? y < 9 y y y < 3

How do I solve - 5 (u-3) = 4u-3

What is the least common multiple (LCM) of 10 and 12

Solve for y: 2 - (y+2) = 3y I keep getting different answers.

When rolling two fair dice, the probability of rolling different sums is o the same. o different

What do dilated shapes and similar shapes have in common?

If a ribbon that is 30.1 inches long is cut into equal pieces that are 1.75 inches long, how many pieces of ribbon can be created?

Laura rents a movie for a flat fee of $2.00 plus an additional $0.50 for each night she keeps the movie. Choose the cost function that represents this scenario if x equals the number of nights Laura has the movie. a. c (x) = 2.00x + 0.50 b.

AB=4-5x BC=2x+25 find AC