10. On a(n) 21-problem test, how many ways can a person get 8 problems correct and 13 problems wrong?*
*Do not include commas in your answer.

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

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.