Answer:
New Cost of item is 
Step-by-step explanation:
Given:
Original Cost of item = 
Item was marked down by 
To Calculate Cost after
marked down we need to multiply original cost by 50 and then divide by hundred.
Cost after marked down = 
Now New cost of the item is calculated by Subtracting Cost after
marked down by Original Cost of item.
New cost of the item = 
Answer:
y = 4
since you cant have y = 0x + 4, you drop the x and have a straight line (slope of 0) that runs all along the y point of 4.
I say left because you have a straight line, i goes through 0,0 and every time it goes over 1 and up by 3.
Answer:
b
Step-by-step explanation: