18. The number of customers the number of customers visiting a museum in a day is normally distributed with a mean of 220 and a standard deviation of 24. What is the approximate probability that on a given day,
the number of visitors is between 196 and 244?

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ