Y=40x + 225
Because x is your per hour cost.
QUESTION 1
When the plane reaches an altitude of 360,000 feet, the temperature outside the plane is 65 degrees below zero Fahrenheit.
This means that the temperature will be:

The temperature is -65°F.
QUESTION 2
If the temperature gets warmer by 10 degrees, this means that the new temperature will be the sum of the original temperature and 10 degrees:

The temperature is -55°F.
Look at https://quizlet.com/subject/term%3Aangles%20%3D%20two%20rays%20with%20a%20common%20endpoint%20form%2... and it will help you tremendously.
F(9)
sub 9 forx
f(9)=5(9)-16
f(9)=45-16
f(9)=29
f(9)=29
Answer:
(x-12)^2+(y-2)^2=4
Step-by-step explanation: