

There are 60 minutes in one hour, so 75 minutes is equal to 1 hour and 15 minutes.

Their mom turned the TV off at 5:15.
Answer:
The given equation cannot be written in slope intercept form
Step-by-step explanation:
we know that

Is the equation of the line in slope intercept form
where
m is the slope
b is the y-intercept
In this problem we have

This is a vertical line (parallel to the y-axis)
The slope is undefined
therefore
The given equation cannot be written in slope intercept form
The average rate of change formula is 
(-2-5)/(6-(-1))=-1
I think you probably divide 7,200 gallons by 81 gallons since it's asking how many in one.
Super easy just add 2 in front of Na H CO3(s). Your formula will be balanced.