Mark and Marcus ate dinner in a restaurant. Mark's meal cost $34.16. Marcus's meal cost $3.68 less than Mark's. Sales tax on the two meals was $4.52. Mark paid with a $100 bill. How much change did he receive?

Ineed with angles and the measure of them i have abc a is 65 and b is (3x-10) and c is (2x) find the value of x

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs