James recently hired a plumber to do some necessary work. on the final bill, james was charged a total of $1660. $460 was listed for parts and the rest for labor. if the hourly rate for labor was $80, how many hours of labor was needed to complete the job? (a) first write an equation you can use to answer this question. use  x  as your variable.

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a. m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?