You buy a movie ticket for $5.25 and popcorn for $2.98. You pay with a 10-dollar bill.
How much change will you get back?

Which function has the smallest y-intercept value

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?