A group of 66 friends meets for lunch. They greet each other by exchanging fist bumps. How many fist bumps are exchanged if each friend must bump with each of the 65 others?

A tree 24 feet tall casts a shadow 12 feet long. Brad is 6 feet tall. How long is Brads shadow

How do I simplify - 3 (x-4)

Find the possible value or values of n in the quadratic equation 2n2 - 7n + 6 = 0.

Find the sum of the series 14+11+8+5 ... - 82

Evaluate the expressions 12 (8-5)

Which expression is equivalent to 4x-10y

1/3 (22) - 1 - 1/2 (12)

In a fish tank, the ratio of goldfish to guppies is 2 to 4. There are a total of 12 fish in the fish tank. Determine the number of goldfish in the fish tank.

I'm doing easy math but i don't remember learning this so heres the question. One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

If I have 10 dollars and I win 6 out of 10 and lose 4 out of 10 and bet 1$ each trade, how much should there be left after 10 trades?