Step-by-step explanation:
1. y--7=-2(x-0)
y+7=-2x
y=-2x-7
2. y--3=-2(x-1)
y+3=-2x+2
y=-2x+2-3
y=-2x-1
Answer:172.5
Step-by-step explanation:Xoxo

is equation of circle which have radius equal 5 and center in (0,0) point
Answer:
5
Step-by-step explanation:
10-(2+3) = 5
Answer:
2.82
Step-by-step explanation: