Answer:
Step-by-step explanation:
Exponential equations have the form of a geometric sequence

Answer:
= 2x
Step-by-step explanation:
Divide both by 18.
<span>140/18=7.78 </span>
<span>So... $7.78 per foot</span>
40mph for Car B I think. 45mph for Car A. 45(mph) times 4(h) is 180(distance) and 40 times 4.5 is also 180. Sorry if I'm wrong.