11. The following table represents can appliance repairman's charges based on the hours it takes to make a repair.
APPLIANCE REPAIR
TOTAL CHARGES
t (hours) C (dollars)
1
62
3
116
5
170
7
224
CLEARA
Which of the following equations could be used to determine the
repairman's charges for a repair?

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