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(−3)(2)−7(−3)−10

−37
17
5
−6−21−10
−6−−21−10
−17
expression

(−3)(2)−7(−3)−10
perform multiplication

simplify
(sort the −37
17
5
−6−21−10
−6−−21−10
−17
into the groups of
expression

perform multiplication

simplify

5

Step-by-step explanation:

(-3)(2)-7(-3)-10

-6+21-10

15-10

5

i think it is everything has to equal 180 so, if i correct 4=c. 6=d. 8=a. 7=b. and the last question would be c. because they are parallel lines and they are congruent.

step-by-step explanation:

the reason everything has to equal to 180 is because that is how it works. i'm guessing that is its rule. 4 and 8 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 6 and 7 are congruent and parallel so, that would be 30+30 because they have the same number. it would equal 60. 60+60 is 180. so, now you have your answer