An mp3 player costs $70 and song downloads cost $0.85 each. write an expression that represents the cost of the mp3 player and x number of download songs. then find the total cost if 20 songs are downloaded.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12