Aset of numbers is shown:

{0, 1.5, 2.8, 6, 12, 18}

which of the following shows all the numbers from the set that make the inequality 3x + 3 ≥ 21 true?

{12, 18}
{6, 12, 18}
{0, 1.5, 18}
{0, 1.5, 2.8}

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.

have a nice day!

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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