27+26+25+24+23+22+21+20+19+18+17+16+15+14+13+12+11+10+9=342
A.342 seats.
Answer: C
Step-by-step explanation: bcuz
2. They are both straight lines. The solution of a linear system is where the two lines intersect, and if they're both straight lines, then they can only cross once.
See the picture attached.
-6 + 7 = 1 and -6*7 = -42
So f(x) = (x + 7)(x - 6)