Answer:
C. 56
Step-by-step explanation:
252/4.5=56
Using the formula you can get this answer
1
x+2/2x=3/2
2x×3=2x+4
6x=2x+4
4x=4
x=4/4
x=1
(9,-3)
Answer: 2x
Step-by-step explanation: because 5+2-3=4
AnswerD