Answer:
A.
C.
F.
Step-by-step explanation:
If you use a graphing calculator on desmos.com, it is very easy to find the answer.
y2-y1 / x2-x1
7-3 / 4-1
4/3
1 & 1/3 should be correct
it is 45 because a triangle with tow sides are same
440
