Answer: See below
Step-by-step explanation:
A) 


Multiply both sides by -1 and reverse the inequality:


B) 




Answer:
B
Step-by-step explanation:
In the attached file
Answer:
$5.72
Step-by-step explanation:
The easiest way to do this is take the two deposits and add them together then combine with the original balance.
Add 5.72 and 16.75
5.72+16.75=22.47
Then subtract -16.75 from 22.47
22.47-16.75=5.72
Answer:

mass = 3.645 g
volume = 9×9×9
= 729 cm³
density = 3.645/729
= 0.005 gcm^-3
Step-by-step explanation:
the volume is 729 cm³ cause the given height is 9cm and it is a cube. cube has equal sides so their lengths are the same.
volume = length × height × width