Answer:
A. -68
B. 37
C. -61
D. 171
Step-by-step explanation:
Rule for A, B, D: 2 negatives is the same as addition
(how I did C: add them together then add the negative)
B.28%
True I believe
Answer: 37.5%
648 is the answer
9÷1=x÷72
x=9×72( cross multply)
x=648