David is president of the student council. When the leadership team met for the for the first time he asked each person to shake everyone else's hand. If there were six people at the meeting, how many handshakes were made.

2x=y+3 in slope intercept form

if f (1) = - 5 and f (n) = f (n-1) + 7, find the first four terms and the common difference of the sequence

Solve 1/2 (x+5) < 2 -

Dustin estimates it will cost $7,721 annually to attend a public four-year college. He will receive $1,930 in grants. How much is Dustin's estimated annual contribution to his college education?

If x and y are integers and x < y, how do the opposite of y and the opposite x compare?

What is the solution to this equation? 3x - x+8+5x-2=10

Express each of the following as a fraction in lowest terms 1: 3/6 2: 2/8 3: 12/20

Randi earned a profit of $60.00 on her last snow shoveling and salting job. Write an equation that can be solved to find how many hours Randi spent shoveling and salting to earn a profit of $60.00. HINT: Randi charges $25 an hour to shovel and salt.

The lengths of the sides of a triangle are 4, 5, 6. Can the triangle be a right triangle?

Name a big reason Europeans came to the "New World" during the fifteenth and sixteenth centuries?