(2 points) let u = {1,2,3,4,5,6}. determine x({2,3,5}) even integer and an odd integer is odd 12. (10 points) give a direct proof that the sum of an 13. (10 points) give an indirect proof that if n3 is even, then n is even. 14. (10 points) give a proof by contradiction that if 3n 2 is odd, then n is odd m |n] m and n, we have mn 15. (10 points) give a proof by cases that for any integers

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent

Is a square always, sometimes, or never a parallelogram

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?