The warranty on a tire is 60,000 miles. The radius of the tire is 15 inches. How many revolutions can the tire make before the 60,000 miles warranty is up? Round to 3 decimal places. (1 mile = 5,280 feet)

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Plz hurry evaluate the expression a+b where a=8 and b=19

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.