Not sure what you mean, exactly, but Ill try.
668, using 2 ones, go to 670. Using 3 tens, go to 700. Using 2 hundreds get to 900. Hope this helped :)
Answer: -12
Step-by-step explanation:
4 1/2-5 1/8= -5/8 divided by 7 1/2
= -12
Hope this helped!!<3
Answer:

Step-by-step explanation:
Data provided in the question
The radius of a wheel = 30 feet
Number of cars attached = 30 cars
Based on the above information
The computation is shown below:
The center angle is


The arc length is

= 1 feet
And, the area of a sector between two cars is

= 
We simply do the above calculations so that each item could be find out