SOMEONE HELP I’ll give brainliest I need this ASAP and I don’t understand it

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 equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42