Determine the equation of a circle whose diameter has the endpoints (–1, 2) and (7, –4). 1) (x – 3)2 + (y + 1)2 = 100
2) (x – 3)2 + (y + 1)2 = 5
3) (x – 3)2 + (y + 1)2 = 25
4) (x – 3)2 + (y + 1)2 = 10

step-by-step explanation:

goog be able to you with that maybe

m∠a is 90°

m∠b is 40°

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.

perimeter of the base times height

step-by-step explanation: