Use the double 2+3 to find the sum
2+3

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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figure c

step-by-step explanation:

hope this .

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

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