If y varies inversely as x, and y = 10 when x = 6. What is y when x = 15?

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.

Can some one explain this i got sent this. is this a threat i’m scared

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount