The answer to this is 42 degrees and 138 degrees.
At least means it can be larger than or equal to.
X >= 15
No more than means less than or equal to:
X <= $7
A. The graph will be continuous because the amount of gas that she added to the tank does not need to be an integer amount.
we have
<u>The system of equations</u>
-------> equation 
-------> equation 
Substitute equation
in equation 

subtract
both sides


Divide by
both sides

the solution is the point 
therefore
the answer is
the solution to the system of equations is the point 
Answer:
Area= 452.16 cm2
Step-by-step explanation:
12 x 12 = 144
144 x 3.14 = 452.16