Carmen purchased a prepaid phone card for $30. Long distance calls cost 7 cents a minute using this card. Carmen used her card only once to make a long distance call. If the remaining credit on her card is $28.67, how many minutes did her call last?

When drawing a trend line for a series of data on a scatter plot, which of the following is true? a. there should be an equal number of data points on either side of the trend line. b. all the data points should lie on one side of the trend line. c. the trend line should not intersect any data point on the plot. d. the trend line must connect each data point on the plot.

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station. he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.