The answer to the second one is 243/2 but I'm not 100% positive
Answer: 
Step-by-step explanation:
Given
Points are 
Convert mixed numeral to fraction

Slope of the line is

Equation of line

Answer:
C
Step-by-step explanation:
Answer:
H2=02+A2
H2=9+16
=25
Step-by-step explanation:
sino =0/H
3/5