Pl ease help what is with give brainlist answer! -5/6+6/18

1.-1/2

2.12/49

3.-1 and 1/6

4.12

-1/2

Step-by-step explanation:

-5/6 + 6/18

Simplify the second fraction by dividing the top and bottom by 3 ( then we will have like denominators)

-5/6 + 2/6

Combine the numerators since the denominators are the same

-3/6

Divide the top and bottom by 3

-1/2

step-by-step explanation:

x^2 -12x + 36 + y^2 = 36

x^2 + y^2 = 12x

r^2 = 12rcos(theta)

r = 12 cos(theta)

y=-2.5x+12.5

step-by-step explanation:

5y=2x+10

y=0.4x+2

slope=-2.5

5=-2.5*3+b

b=12.5