The y-intercept is: y = 7x - 44
Answer:
= 4/15
Step-by-step explanation:
=4 . 2/5 /6
8
4√5
Use Pythagorean theorem
a^2=21^2-19^2
a^2=441-19^2
a^2=441-361
a^2=80
a= √80
simplify
