Answer:
b. 17
Step-by-step explanation:
<u>Add up all the numbers</u>.

<u>Divide by how many numbers there were</u>.
The amount of numbers in the data is seven.

Answer: 225
<u>Step-by-step explanation:</u>
n₁ = 2(1) - 1
= 2 - 1
= 1
n₁₅ = 2(15) - 1
= 30 - 1
= 29


= 15 * 15
= 225
The solution to the coordinates of A,B,C as (6,3),(-3,5),(4,-2) and the prove that ∆PBC/∆ABC=x+y-2/7 is given in the image attached.
<h3>What is coordinates?</h3>
This is known to be that which is created by two part that are known to give the latitude and longitude position of a person or place.
Therefore, The solution to the coordinates of A,B,C as (6,3),(-3,5),(4,-2) and the prove that ∆PBC/∆ABC=x+y-2/7 is given in the image attached.
Learn more about coordinates from
brainly.com/question/17206319
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I really don't know just say its o