What is the sign of the product (3)(-3)(-2)(4)?

positive

Step-by-step explanation:

The two negatives, -3 and -2, turn into a positive so:

(+3)(+3)(+2)(+4)=+72

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66answer:

step-by-step explanation:

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.