Answer:
75
Step-by-step explanation:
40 percent (calculated percentage %) of what number equals 30? Answer: 75.
Let
r------> the radius of the gear
we know that
The value of r, must be greater than
cm, but not exceed
cm
The compound inequality that represent this situation is

the solution is the interval-------> ![(4,4.1]](https://tex.z-dn.net/?f=%284%2C4.1%5D)
all real numbers greater than
and less than or equal to 
the solution in the attached figure
<u>the answer is the option A</u>
and 
Answer:
3
Step-by-step explanation: