FOR A TEST WILL GIVE BRAINLIEST IF DONE QUICKLY A line passing through (6,a) and (9, - 4) is parallel to 2x – 3y = 6. What is the value of a?
Choose the correct answer below.
A. -6
B. -3
C. -2
D. 3
E. 6

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

True or false look at the picture pls : /

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.)