What is the purpose of a regression line? a. to connect all the points in a scatterplot b. to show the general tendency of the points in a scatterplot c. to provide a scale for the x-coordinates of the points in a scatterplot d. to provide a scale for the y-coordinates of the points in a scatterplot

The sum of two numbers is 86, and their difference is 20. find the two numbers

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96