Which of the following statements are true? ONLY ANSWER IF YOU KNOW THE ANSWER

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  A, D, F

Step-by-step explanation:

A: true

B: false; it is positive

C: false; it may be positive: -1 -(-2) = +1

D: true, a variation of A

E: false; for c < 0, the inequality symbol reverses

F: true. This is the definition of an additive inverse.

G: false; multiplying anything by zero gives zero

H: false; -(-1) = +1, not a negative

m∠vru = 80°

m∠urw = 15°

step-by-step explanation:

your answer would be 10x - 1