Whats 45 times 50 plz answer if ur smart this is just a test just sayong lol

Find the area of the regular hexagon if a side is 20 cm.

Which of the following expressions cannot be simplified to x – 2?

The random variable x has probability density function f (x) = k(−x²+5x−4) 1 ≤ x ≤ 4 or =0 1 show that k = 2/9 find 2 e(x), 3 the mode of x, 4 the cumulative distribution function f(x) for all x. 5 evaluate p(x ≤ 2.5). 6 deduce the value of the median and comment on the shape of the distribution.