Help lol I will give brainliest.

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

Is the power produced directly proportional to the wind speed, give reasons for your answer?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?