Answer:

Step-by-step explanation:
6-4[x+1-(y+3)]+6y
6-4[x+1-y-3]+6y
6-4[x-2-y]+6y
6-4x+8+4y+6y
14-4x+10y
Answer:
I don't know if it's correct
but I tried
Step-by-step explanation:
let the angle be x
20+4x+x=180
20+5x=180
5x=160
x=32
Dave will take 2 hours and Linda will take about 3 hours and 30 minutes.
Answer: I feel like it’s d..
Step-by-step explanation:
Answer:
Two ratios equivalent to 27:9
A) 3:1
B)9:3