Betty and her neighbor are both hanging strands of christmas lights that have 1000 lights on each strand. Bettys neighbor hangs 3 more than twice as many strands as betty. Betty hung 8 fewer strands than her neighbor.

step-by-step explanation:

i think it might be a but you might want a second opinion

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1