Lee makes $24.00 per hour for a 40-hour work week and time-and-a-half for every hour over 40 hours. if lee made $1,140.00 last week before taxes, how many overtime hours did she work?

2-digit numbers less than 91 which are 1 less than a multiple of 10

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

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?