Abarber charges $12 for a haircut. his operating expenses are on average, $37 per day. he calculates his profit by subtracting his operating costs from the money he earns from the haircuts he gives. in a given day, the barber expects to make a profit of at least $86. if the barber gives h haircuts in a day, which inequality best models this situation?

Felipe is saving money for a class trip. he already has saved $ 2 5 0 $250 that he will put toward the trip. to save more money for the trip, felipe gets a job where each month he can add $ 3 5 0 $350 to his savings for the trip. let m m be the number of months that felipe has worked at his new job. if felipe needs to save $ 2 7 0 0 $2700 to go on the trip, which equation best models the situation?

The graph shows the populations of two species over time. which type of symbiotic relationship does the graph represent? a. commensal b. mutualistic c. parasitic d. parent-offspring e. predator-prey

What are the two main purposes of edgar allen poe’s, “the masque of the red death? ”