800 - 50 = 750
750 ÷ 5 =150
150 small vehicles were washed
Answer:

Step-by-step explanation:
We have been given that at midnight, the temperature was
. At noon, the temperature was
.
Since our temperature has increased to 23 degree Fahrenheit from -8 degree Fahrenheit, we can represent this increase in temperature as:

Therefore, the expression
represents the increase in temperature.
Answer:
Slope of a line represents the money billed per lesson length.
Step-by-step explanation:
Slope of a line defined as the the number that measures the steepness and it is usually denoted by m.
It is also states the gradient of a line or the change in variable of y to the change in variable of x.
As per the statement:
Slope of a line is 2/3.
Here x axis represents the lesson length in minute and y axis represents the money billed in dollars
Then;
Slope of a line represents the money billed per lesson length.
Answer:

Step-by-step explanation:
