I'm sorry please help. Solve the following system of equations.
x-3y=17
x+7y=-23
x=
y=

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?