The surface of the water is 0 feet. So 10 feet down means it is 0 - 10, or -10 feet as its final position.
The number is 23 thats what i got
Answer:
The system of equations is
Step-by-step explanation:
Let
x ----> the number of minutes of calling time
y ----> the monthly cost of the calling plan
we know that
The linear equation in slope intercept form is equal to
where
m is the slope
b is the y-intercept
In this problem
Plan A
substitute
----> equation A
Plan B
substitute
----> equation B
therefore
The system of equations is
Answer:
I hope you help and plz mark brain list answer