1. How many ways are there to select 5 people from a group of 9 people, without regard to order? I.e., do not consider the order of the selection! a. 15120 b. 126 2. Calculate,C₁ × 8C6- a. 11760 b. 16934400 c. d. c. d. 45 3024 980 8467200

Pls help ASAP

The number of distinguishable arrangements of all the letters in the word SUCCESSFULLY is 3. O479 001 600 07 484 400 O9 979 200 3 628 800

Some companies who make those annoying phone calls to try to sell you something generate the phone numbers randomly. a. Given that seven-digit phone numbers NNN-NNNN can't have a 0 or a 1 as the fist digit, how many different numbers are possible (within one area code)? type your answer... possibile numbers b. One company is working your area code tonight, 10 people each making an average of 20 calls per hour. If it takes your family a half hour to each supper, what's the probability you get a call during mealtime? P(call during mealtime)- type your answer... 3 d $ f % V t 9 C311 6 b y h D 7 alt ctrl backs