A machine has a buzzer that sounds every 50 minutes. The machine also has a bell that sounds every 80 minutes.
The buzzer and the bell sound together at 10 am.
Find the time at which they next sound together

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?