Answer:

Step-by-step explanation:
Cylinder volume formula is 




Not necessarily. the absolute value of a number is that number's distance from 0 on a number line. if your taking the absolute value of a negative value, what you stated would be true. however, what if you took the absolute value of a positive number? hope that answers your question.
Answer:
16
Step-by-step explanation:
Since 2+2 is in parenthesis you do that first. So now you have 8/2(4). 8/2= 4. 4*4 = 16
Answer:
13
Step-by-step explanation:
104×7=728
728÷56=13
Answer:
ab+xy−5
Step-by-step explanation:
yx+ab−5 = xy+ab+−5
Simplify-
ab+xy−5