Answer:
it will take 10 hours
Step-by-step explanation:
<Ber=<kem(vertically opposite angle)
9x-17=3x+31
9x-3x=31+17
6x=48
x=48/6=8
<kem=3×8+31=55°is answer
Answer: 34
(x+22) + x = 90
M to P
It goes 7 hops from -1 to 6