Answer:
Step-by-step explanation:
21 feet below is written as -21
9 feet up is written as +9
So we have -21 + 9 = -12 or 12 feet below sea level
you simply have to add all of the numbers together, so it'll be 2+5+12+7+1 or 27, therefore the answer is B
Step-by-step explanation:
0+1 = 1
1/2+1/2= 1
-50 + 51= 1
Answer:
10 3/5
Step-by-step explanation:
6 4/5 + 3 4/5
First convert to improper fraction,
34/5 + 19/5
Then add the improper fractions,
=>53/5
Then convert improper fraction to mixed fraction,
=> 53/5 = 10 3/5
Answer:
Sorry if I get it wrong:
Answer: 3,840in
Step-by-step explanation:
