Step-by-step explanation:
Equation of a circle in standard form is given as:

900 divided by 15 will get you your answer which is....60:)
Answer:
Undefined
subtract your two points (y-y)/(x-x)
Answer:
90(8) + 2(38) = 270 + 76 = 346p
Step-by-step explanation:
2x + y = 10
5x - y = 18
7x = 28
x = 4
2(4) + y = 10
8 + y = 10
y = 2
(4,2)