rickie surveys people at an amusement park to find out the avrage size of peoples families. Determine whether the sample is biased.

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

What expression is equivalent to log3(x+4)

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)