Find the geometric mean of 10 and 18. if the answer is not a whole number leave it in the simplest radical form

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Match each inequality to the number line that represents its solution

Can someone check if i did this correct. it’s number 4 if you’re wondering.