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.
8000=2 oumces
????=16 oumces
8000 x 16 divided by 2
answer=64,000 crocus
Answer:
815/1000=163/200 is the simplest form.
Step-by-step explanation:
Split the figure into 2 parts, triangle and rectangle (I believe you know what I'm talking about)
area of triangle = 1/2 x 20 x (16-7) = 90cm^2
area of rectangle = 20 x 7 = 140cm^2
total area = 90 + 140 = 230cm^2
Topic: Mensuration
If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thanks!
351,875 - 101,949 = 249,926
351,875 + 249,926 = 601,801