Umm i would not trust that file
Answer & Explanation:
1.) Which function is a linear function?
The answer is B. 
2.) If the function
is a linear function, what is the value of
?
The answer is A. 
3.) What type of function is the function representing Sully's speed?
The answer is C. It is a nonlinear function.
hope this helps :)
Answer:
5 units. Since they have the same y coordinate the x coordinate determines the distance from each other. In the case 9-4=5.
Answer:
3520 ft/min
Step-by-step explanation:
40 mi/h = (40 mi/h)×(5280 ft/mi)×(1 h)/(60 min) = 3520 ft/min
_____
Each conversion factor has a value of 1 (numerator = denominator), so changes the units without changing the speed.