Answer:
is the a. Perpendicular lines form 90° angles.
Answer:
8) answer=5 9)answer=15
Step-by-step explanation:
all you have to do is replace in the following formula

Where
X1: is the first number of the first point
Y1: is the second number of the first point
X2: is the first number of the second point
Y2: is the second number of the second point
you replace in the formula and solve
I attach solution
Yes, it is.and I have to keep typing because I need a character at least 20
If there are 4 people and you want the time for EACH person then you would do 62.59
Which = 15.6475