Divisions 13 ÷1979 my daughters having trouble with divison and how can i her

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.

Which of the following expressions is equal to 2x^2+8

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse