Solve the system using an augmented matrix. Show all work.

{ -x-3y=-17
2x-6y=-26

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.