Answer:
r = 

Is this a live test question or a homework question?
Step-by-step explanation:
the radius is the distance between (3, 2) and (5, -2)
= 
= 
= 4 + 16 = 20
r = 
Equation of circle: 
Answer:
33.7º
Step-by-step explanation:
tan = opp/adj
tan∅ = 100/150 = 2/3
∅ = arctan 2/3
∅ = 33.690067525979787
33.7º
Answer:
confusion?
Step-by-step explanation:
your welcome
Answer:
-147
Step-by-step explanation:
(21) • (-7)
Since it’s a positive times a negative, the answer will be negative
-147