Jen bought 5 cds for 57.50 dollars. what was the unit rate

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

Three times the sum of a number and seven is negative thirty-six. what is the number?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air