Pl pls answer like all of em cost 10 !

Part A:

Electricity Company | Rate Charged | Rate Rounded |

    Atlas Energy                12.065                12.070

   Big City Light                 9.138                  9.140              

        Connex                      9.143                  9.140

  Dynamon Power            9.707                  9.710

       ElectriCo                    9.503                  9.500

Part B:

Big City Light and Connex.

Part C:

Two companies can have the same rate when they are rounded because two numbers can be rounded to the same number although they are different numbers. For example; 9.138 and 9.143 can both be rounded to 9.140.

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step-by-step explanation:

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

: )