Answer:
Step-by-step explanation:
The diameter is just the radius times two, so divide the diameter by two and you will have the radius of the circle.
ANSWER
a=9
EXPLANATION
The given quadratic equation is

If x=1 is a solution, then it must satisfy this equation:



Therefore the value of 'a' is 9
Listing the data from the Stem and Leaves table as raw data we have:
02, 03, 03, 07, 10, 10, 17, 34, 34, 35, 35
Hence the smallest value is 02 = 2
Answer: A