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
4(2t+6)
8t+24 is the answer
Answer
You did not give the whole picture, soory
Step-by-step explanation:
Answer:
Step-by-step explanation:
So...
you would add -4 and -2 1/2 giving the total of -6 1/2.
All thats left is for you to graph it:)
(Please mark brainliest)
