Answer:

Step-by-step explanation:
Distance between two points:
Suppose that we have two points,
and
. The distance between them is given by:

Distance from A(-8,-3,-2) and B(-4,8,0)



Stephanie rode the bike with an speed of 37.5 km. If she ride the bude and the average speed for her is 12.5 km per hour, multiply 12.5 with how much hour to get the answer. 12.5x3=37.5. This means that Stephanime rode her bike and got a speed of 37.5 km.
1st letter can be any of 5 letters
2nd letter can be 5-1 any of 4 letters
5*4 = 20
there are 20 possible passwords