a) substitution (refer to statements 1 and 2)
b) definition of supplementary
c) subtraction property of equality
Answer:
<h2><em><u>7</u></em></h2>
Step-by-step explanation:


= <em><u>7 (Ans)</u></em>
Answer:
4
Step-by-step explanation:
Answer:
Original price is 11.25
Step-by-step explanation: