For the following system, use the second equation to make a substitution for y in the first equation. 3x + y = 1 y + 4 = 5x what is the resulting equation? 3x + 5x - 4 = 1 3x + 4 - 5x = 1 3x + 5x + 4

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

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.