Yesterday's price of notebook = $3.45
Today's price of notebook = $3.20
We have to determine the percentage decrease in the cost of notebook.
Percentage decrease = (Decrease 
Old price) 
So, percentage decrease = 
=
= 7.246%
= 7.25%
Therefore, there is 7.25% of decrease in the cost of the notebook.
Answer:
f(X) 70x49
Step-by-step explanation:
Answer:
96.7 maybe or 6.75 or 5.67 or even 56.77
Step-by-step explanation:
EZ
Answer: D. (2*7)+(2*7)
4*7= 28
(2*7)+(2*7)
= 28
Answer:
Yes, because the linear function x - y = 5 is a function
Step-by-step explanation:
x - y = 5 can look like y = x - 5 with slope 1 and y-intercept -5
so this is a function which makes set K a function.
