What is the solution to this system of equations? a - b + c = -6
b - c = 5
2a - 2c = 4

A) 2

B) -1

C) -3

D) 1

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

The second term of an arithmetic sequence is 30. the fifth term is 90.calculatei). the commor difference of the sequence ii). the first term of the sequence tje first, second and fifth terms of the arithmetic sequence are the first three terms of a geometric sequence calculate the seventh term of the geometric sequence