Plz help this is a test poly, kites, trapezoids

idk

step-by-step explanation:

use that smart brain

40 i don’t know lololol

2+2=4

4-5=-1

is that your

in counting the number of heads in 4 coin flips, the probability that we get exactly one head is the probability that we get anyone of the following 4 outcomes: httt, thtt, ttht, or ttth. each has probability 1/16, so the probability to get exactly one head in 4 flips is 1/16 + 1/16 + 1/16 + 1/16 = 4/16 = 1/4.