Help pls 50points At a restaurant, you can choose 2 different side
dishes from a list of 10. The number of possible
side dish choices can be counted using
a. permutations
b. combinations
10
How many possible side dish choices do you have
in problem #9?
11
An entry code into a building is a 5-digit number.
The number of different codes can be counted using
a. permutations
b. combinations
12
How many different codes are possible in
problem #11.

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?