If the number of equally likely sample outcome of a single of an experiment is 4, what is the total number of elements in the sample space if the experiment has 3 stages

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.