Is the lcm of a pair of numbers ever equal to one of the numbers? explain with an example

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.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Select all of the following expressions that are equal to 2.5.