Melanie recently hired an electrian to do some necessary work. on the final bill, melanie was charged a total of $1296. $470 was listed for pants and the rest for labor. if the hourly rate for labor was $59, how many hours of labor was needed to complete the job?

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

What are “like terms”? why can we only add like terms?