Respuesta :

Answer:2a/(3b−c)

substitute a=6 b=4 c=8

(2*6)/((3*4) -8)

12/(12 -8)

12/(4)

3

Choice B

2a+b−3  when a=5 b=2

2(5) +2-3

10+2-3

12-3

9

Choice B

8ab/2bc

rearrange to make the math easier

8/2 * a/c * b/b

4 * a/c *1

4 * 3/4

rearrange to make the math easier

4/4 *3

3

Step-by-step explanation:

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