If a # b = a+2b, for integers a and b, what is the value of 3 # 4?

2-digit numbers less than 91 which are 1 less than a multiple of 10

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.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth