Which transformation would result in the area of a polygon being different from the area
of its pre-image?

a ) dilated by a scale factor of one

b) dilated by a scale factor of 2.5

c ) rotated 270° counterclockwise about the origin

d) translated four units up and two units to the right

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.

Find two numbers if their sum is 91 and the ratio is 6: 7?