Answer:
1. MIGHT be 16 1/2
Step-by-step explanation:
causse 2/3 / 4/9 = 1 1/2
1 1/2 + 10= 11 +5 = 16
16+1/2 = 16 1/2
(1,0) & (2,1)
substitute x-1 for y in the first equation then solve using the PEMDAS and traditional rules