There were a total of 375 tickets sold for a concert and a total of $7,375 was collected. If adult tickets were $25 each and student tickets were $15 each, write the system of equations to find how many of each type of ticket were sold.

49xy +34y - 72z. determine the degree of the polynomial

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?