Nina graduated from college with 138 credits after passing 40 courses. If each of the courses she passed was worth 3 credits or 4 credits, which of these statements is correct?
-22 of the courses Nina passed were worth 3 credits each.
-Nina earned a total of 54 credits from 4–credit courses.
-22 of the courses Nina passed were worth 4 credits each.
-Nina earned a total of 54 credits from 3–credit courses.

Which of these triangle pairs can be mapped to each other using two reflections?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

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.