(1/2)x+b=y because the equation that given the slope is 1/2 if you leave y alone and take the x’s number
put the point now , 4+b=3 so b is -1
the equation is (1/2)x-1=y
Answer:

Step-by-step explanation:

The correct option is B.
Answer:
9x
Step-by-step explanation:
-4.5X(-2)
-4.5x * -2
9x
Answer:
b
Step-by-step explanation: