Can someone help me with this math question? It would help me out a lot.

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

70 years.

step-by-step explanation:

80

step-by-step explanation: