The selling price of an item is $495. It is marked down by 20%, but this sale price is still marked up from the cost of $360. Find the markup from cost to sale price.

i need more information

step-by-step explanation:

  y= -3x is the required function.

step-by-step explanation:

we have been given a table:

x             y

0             0

1             -3

3             -9

-2             6

we can see that the values of y is -3 times the value of x

hence, the function would be: y= -3x.

put the values of x will give the same y as in the table that means function is satisfying the given table.

john got lost so he didn't know what to do and it was crazy because he didn't except it

step-by-step explanation:

123123 step byt step

a = 3.14

b = 18

c = 18/5 or 3.6 or 3 3/5

step-by-step explanation: