Answer:

Step-by-step explanation:




Answer:
The slope is 3/2, and the y-intercept (b) is -1
Step-by-step explanation:
The slope-intercept form is y=mx+b. m is the slope and b is the y-intercept.
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 = 
3a =18
3a/3 = 18/3
a = 18/3
a = 6
Hope this helps