Which expressions are equivalent to -6+3(2+(-4t))−6+3(2+(−4t))minus, 6, plus, 3, left parenthesis, 2, plus, left parenthesis, minus, 4, t, right parenthesis, right parenthesis ? Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
-12t−12tminus, 12, t

(Choice B)
B
12t-1212t−1212, t, minus, 12

(Choice C)
C
None of the above

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality