Answer:
86
Step-by-step explanation:
3x+y=18
3xy=18
xy= 18/3
xy=6
12.80+3.42= 16.22
16.22-9.70= 6.52 that's your answer
point slope equation formula: y - y1 = m (x - x1)
(-1,4) (-2,1)
answer:
1 -4 = 3 (-2+1)