Answer: b=-18
Step-by-step explanation:
1/3b+57=3
Subtract 57
1/3b=-54
Divide by 1/3 (basically you’re dividing by 3)
p=-18
Answer:
-4 is the last option
Step-by-step explanation:
because;
k was positive now we inverse it to negative so all of what k was equal we now transform it to the opposite.
Answer:
1.4 hrs or 84 minutes
Step-by-step explanation:
t = time when the 2 trains will be 280 miles apart
95t + 105t = 280
200t = 280
t = 1.4 hrs or 84 minutes