Using the rule of 72,4-7, how long will it take for the principal to double with an annual compound interest rate of 6%?
6 years
9 years
12 years
15 years

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.

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Find the maximum value of p= 4x + 5y subject to the following constraints :