Beth had a 15-piece pack of gum. She gave each of her friends two pieces
of gum and kept 3 pieces for herself.
How many friends does Beth have?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.