234k views
1 vote
The expression - 250 + 16z represents a submarine that began at a depth of 250 feet below sea level

and ascended at a rate of 16 feet per minute. What was the depth of the submarine after 9 minutes?

1 Answer

4 votes
= -250 + 16z
= -250 + 16(9)
= -250 + 144
= -106 feet
User Neni
by
5.4k points