Which of the following pairs of numbers is matched with its correct greatest common factor? Select two that apply. A
The greatest common factor of 10 and 68 is 2.

B
The greatest common factor of 33 and 99 is 3.

C
The greatest common factor of 78 and 84 is 6.

D
The greatest common factor of 45 and 54 is 5.

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In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

In the diagram, gef and hef are congruent. what is the value of x

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.)