Your heavy-duty mechanics earn $30.00 per hour. your light-duty servicemen earn $10.50 per hour. assume a customer wants his engine tuned, oiled, and greased. if the job takes 1 1/2 hours of a mechanic's time, 1 1/2 hours of a serviceman's time, and the overhead rate is 100%, what are the total labor plus overhead charges?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Erik buys 2.5 pounds of cashews. if each pound of cashews costs $7.70, how much will he pay for the cashews?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.