PLEASE HELP due today!

If the blue ribbon is 10 inches, the red ribbon is 3 inches. If the red ribbon is 27 inches, the blue ribbon is 20 inches. If the length of the red ribbon is x inches, the length of the blue ribbon is x-7 inches. If the red ribbon is 12 inches the blue ribbon is 19 inches

Step-by-step explanation:

Very very easy subtraction and addition (10-7, 27 -7, x-7, 12+7)

hoped this helped

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

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