2x+4=3x+1 they've substituted y =2x+4 into the second eq.
If slope of the line is 1/3, then slope of the perpendicular line should be negative reciprocal, and so it is equal -3.
Answer: -3.
The answer is C; 35.5 units^2
Answer: x <-3 (use the less than sign with the line under I don’t know how to put it on there through my phone.)
Step-by-step explanation: 2x-10< -16
2x<-6
x<-3