Sum. To build the triangle, start with 1 at the top, then continue placing numbers below it in a triangular pattern. Each number is the numbers directly above it added together.
Answer:

Step-by-step explanation:
<u>Step 1: Subtract m from both sides
</u>


<u>Step 2: Divide both sides by -1
</u>



Answer: 
Answer:
No
Step-by-step explanation:
To obtain the inverse function
let y = f(x) and rearrange making x the subject, that is
y = 3x + 1 ( subtract 1 from both sides )
y - 1 = 3x ( divide both sides by 3 )
= x
Change y back into terms of x, thus
(x) = 
Answer:
2 5/6
Step-by-step explanation:
you have to turn the 1/3 into 2/6 by multiplying by 2 to make it easier. then, you subtract 2 2/6 from 5 1/6 and you get 2 5/6 for the length of the body