Answer:
15
Step-by-step explanation:
the pattern is adding by three so 12+3=15
D. Although I'm not 100% sure
Answer:
A≈50.27cm²
Step-by-step explanation:
Answer: g = w² - 14w + 49

Step-by-step explanation:
to find the slope for the first one, use the formula 
(It's the slope formula)
so... 
then plug in... 
this line has a slope of 0
As for the miles problem, to find mph, the miles have to be at 1.
so... 
therefore, he drove 60.5 mph