Answer:
B
Step-by-step explanation:
-3x/4 + [(x+1) ÷ (x-1)(x+1)]
-3x/4 + 1/(x-1)
[-3x(x-1) + 4]/(4(x-1))
(-3x² + 3x + 4)/(4x-4)
1.true. 2. false. 3.true ata
I believe for 21 PQR is 60 and therefore PQS would be 38
B. $3.20
Do 256 / 80 visits per year to get 3.20