The graph shows the time at which 100 students ran 3 km. Find how many students ran this distance between 0 and 10, 10 and 20, 20 and 30 and 30 and 40 minutes. Using this grouping of the students, estimate the mean running time.

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)