Answer:
Step-by-step explanation:
it is not a function because -2 has two y values
Answer:
197%
Step-by-step explanation:
1.97 = 437/860.89
1.97=197%
Step-by-step explanation:
if you're looking for x
x=180-42-51= 87°
and if you're looking for D
D= 180-42= 138°
I believe the last one about right triangles. That’s why Pythagorean Theorem works.