Step-by-step explanation:
I think is b i hope this works
Answer:
how do you find the circumference of a circle??
C=2πr
C=2πr
Answer:
They are un-proportional.
Step-by-step explanation:
The ratios dont have the same relationship.
Answer:
B.
Step-by-step explanation:
The quickest way to do this is to use a graphing calc or an online graphing program and graph each problem. When you do so, you should get B. y=3(1/3)^x as your answer.
Answer:
80 km/hr
Step-by-step explanation:
This is asking for speed.
Speed=Distance/Time
Speed=720/9
Speed=80 km/hr
