Answer:
3/10
Step-by-step explanation:
2/5 + x = 7/10
x = 7/10 - 2/5
x = 7/10 - 4/10
x = 3/10
Answer:
11,703 feet
Step-by-step explanation:
Since absolute value is never negative, just add the distances to get the full span. Just think of above sea level as positive and below sea level as negative.
(2x - 1) (x + 7) is the answer to your question!