2/3 of pizza was left over he ate 1/2 of what was left

Write two subtraction equations that are equivalent to 5 + 12 = 17.

Find the solutions for a triangle with a =16, c =12, and b = 63º

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?