0<4x + 8<12 BADDA-BING-BADDA-BOOM!!! :-)
Answer:
B.21.3 is the correct answer
Step-by-step explanation:
1/2*x+1/4*x=16
x/2+x/4=16
2x+x/4=16
3x/4=16
3x=16*4
3x=64
x=21.3
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Simple...
you have: (2,3) and (-2,6)
Using

-->>

Thus, your answer.
Answer:

Step-by-step explanation:
Formula to find radius:




<em>hope this helps......</em>