Which if the following lines has a slope of -1/2? a). x+2y=0 b). x-2y=0 c). -x+2y=0

A) x + 2y = 0

Step-by-step explanation:

In solving for y, you would follow these steps:

Subtract x in order to get 2y = -x

Divide by 2 on both sides to get y = -1/2x

step-by-step explanation:

vyv6vycyctxrd4ff6fg yr x5dc v6y555 vyuvu

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk