What is the solution to the system of equations below? 3x-2y=7 and -3x+5y=5

Bring the fraction a/a-4 to a denominator of 16-a^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.

What is the absolute value of -100000000000000?