Answer:
Left side
Ca(OH)2 --> Ca + 2 O + 2 H
2 HBr --> 2 H + 2 Br
Together: Ca + 2 O + 4 H + 2 Br
You have only 1 Br and only 3 H. So you must correct this.
Answer:
D. 22
Step-by-step explanation:
Because if the missing side is 22 cm, the other two sides' sum would have to be greater than 22, but 13 + 9 = 22.
Answer:
Step-by-step explanation:
a. NO
b. YES
c. YES
d. YES
e. YES
f. NO
g. YES
h. NO
i. NO
j. YES
k. YES
d. YES