Answer:

Step-by-step explanation:
Hi there!
Equation of a circle:
where the circle is centered at (h,k) and r is the radius
<u>1) Plug the center of the circle into the equation</u>
Center: (-5,-8)

<u>2) Determine r²</u>
Plug in the given point (16,68)

Therefore, r² is equal to 6217. Plug this back into
:

I hope this helps!
Answer:
21.76 Centimeters
Step-by-step explanation:
Length - 3.2 Cm
Width - 6.8 Cm
Area = Width * Length (Or other way around)
Multiply:
3.2 * 6.8
= 21.76
- I.A -
Answer: 3.5308
Step-by-step explanation:
Claim : The firm's professionals volunteer an average of more than 15 hours per month.
i.e. 
Null hypothesis : 
Alternative hypothesis : 
Sample size : 
The sample mean : 
Sample standard deviation : 
The test-statistics for the population mean is given by :-

i.e. 
Hence, the correct value of the test statistic for the appropriate hypothesis test is 3.5308.
Answer:
Your right the answer is 74
Step-by-step explanation: