At a fair hamburgers sell for 3.00 each and hot dogs sell for 1.50 each. the equation 3x + 1.5y=30 describes the number of hamburgers and hot dogs a family can buy with $30 find the intercepts and graph the function

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

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.

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12