Please help

5.x=-2,y=-2

7. y=1 , x=-1  

Step-by-step explanation:

5. x+y=-4 equation 1

    x-y=2   equation 2

x=-2

Equation 1, x=-2

-2+y=-4

y=-2

7.

-3x-4y=-1   equation 1

3x-y=-4     equation 2

-5y=-5

y=1

Equation-1 ,y=1

-3x-4=-1

-3x=3

x=-1

the correct answer is the second option

i believe the answer is 68cm

step-by-step explanation:

i just took 34 x 2 because the space between v and y is the same as y to k.