Find the marginal PMF pK(k) as a function of k . For simplicity, provide the answer only for the case when k is an even number. (The formula for when k is odd would be slightly different, and you do not need to provide it). Hint: You may find the following helpful: ∑i=0[infinity]ri=11−r for 0

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me