Find the length of CD if C is at (4.7, 8.2) and D is at (1, 8, 9, 5). Find the length of segment EF if E is at (15, -7) and F is at (4.6, 0).
Find the perimeter of the triangle ABC.

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

answer: 12/52

step-by-step explanation: my reasoning is that there are 12 face cards in a deck and a total of 52 cards in all.

43

step-by-step explanation:

not sure if this is supposed to be a trick question. 43 is the only one that makes any sense.