Example 4: Maria went to store to buy her school supplies. She bought a binder for $18, a bag pack for $45, a set of
notebooks for $29, and a ream of paper for $7. How much did she pay for her school supplies?

Can you divide 25 into 4 equal groups? explain why or why not.

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?