John has $12. Tony has twice as much as John. Eric has $4 less than Tony. How much money does Eric have?​

$20

Step-by-step explanation:

John=$12

Tony=$24

Eric=$20

multiply 12 by 2 to get Tony's money then subtract 4 for eric's money

20

Step-by-step

Tony : 24

Eric : 24 - 4

Answer : 20

step-by-step explanation:

it's is b

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²