Which of the following is the length of the radius of circle A?

Radius=9

More Specific: 8.94427191

Step-by-step explanation:

a^2+b^2=c^2

a is the radius of circle A

b is 8

c is 12

a^2+8^2=12^2

Simplify

a^2+64=144

Move 64 to the other side

a^2=80

a=8.94427191

or 9

70,000 + 6,000 + 800 + 30

step-by-step explanation:

yes, gavin is right.

step-by-step explanation:

gavin is correct. 

this problem is about converting 9% per year to how many percent per quarter. the rate is still the same. it only differed in the time period. so, through dimensional analysis,

9% per year  × (1 year / 4 quarters) = 2.25% per quarter

if he was asked to convert 9% per year to how many percent per quarter  compounded quarterly, then you will not simply divide by four. this is because compounding is not linear.

hope this , have a good day. c;