Use gauss-jordan elimination to solve the following linear system:
–3x + 4y = –6
5x – y = 10

a. (2,2)
b. (2,–5)
c. (–6,2)
d. (2,0)

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18