On a social media site, Josie gets 10 friend requests. She could accept or reject any of them. How many different possible ways could she respond to this set of 10 requests? Which one is the correct answer?
9
10
11
19
20
21
45
44
46
1024
1023
1025
None of the above

Which of the following lines is not parallel to the graph of y = 4x +7?

Which of the following expressions are equivalent ?

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds