Answer:
im pretty sure its the 3rd one i might be wrong
Step-by-step explanation:
-1 wont happen
.4 there is a chance of it happening
1 its not deffinate for only 1 as a chance
Answer: B) -5
Step-by-step explanation: all you do is subtract 12 from each side and you will get -5
Answer: Yes
Step-by-step explanation:
Given
Kwasi earned
in babysitting
He spends 40% of the money in buying drinks
Money spend is given by

So, Kwasi has enough money left to buy a skateboard.
Let
be the speed of train A, and let's set the origin in the initial position of train A. The equations of motion are

where
are the positions of trains A and B respectively, and t is the time in hours.
The two trains meet if and only if
, and we know that this happens after two hours, i.e. at 

Solving this equation for v we have

So, train A is travelling at 105 km/h. This implies that train B travels at
