7. Consider the following points . Y(- 4, - 1) and O(4, 2) Let Y’O’ be the image of overline YO after a reflection across line r. Suppose that Y’ is located at (1, 4) and 0' is located at (- 2, - 4) . Which of the following is true about line r?

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.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?