I need help someone ?

1) y=4x+5,  2) y=-2x+2,  3)y= 4/3x+4

Step-by-step explanation:

1) y=4x+5

2) y=-2x+c

-4= -2(3)+c

-4=-6+c

+6      +6

2=c

y=-2x+2

3) 4-0/0--3

4/3= gradient

y= 4/3x+c

4= 4/3(0)+c

4=0+c

4=c

y= 4/3x+4

i just took the test, the correct answer is .. 31.5 in.

345

step-by-step explanation: