Answer:
-7x+20y+13
Step-by-step explanation:
Answer: 
<u>Step-by-step explanation:</u>

NOTE: Neither the Trapezoidal Rule or Reimann Sums can be used without the number of rectangles (n) you are separating the interval into. Besides, they only provide an estimate. If you want the EXACT area, you must use integration.
If you multiply $8.00 by 6.35% the answer is .508. Round that up to .51. So tax is .51. You add that to $8.00 for a total amount of $8.51.
Answer:
3 || 3
6 || 9
9 || 15
12 || 21
In the first column, we see the numbers increasing by +3, serially.
In the second column, we see the numbers increasing by +6, serially.
Answer:
for X
Step-by-step explanation:
I dont really know sorry