The diameter of a circle is 4 cm. find it's area in terms of pi?!

Step-by-step explanation:

Radius of the circle = Diameter / 2 = 2cm.

Area = pi * (Radius)² = 4pi cm².

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.