Samantha makes 18.50 an hour as a librarian. her assistant makes 2/5 less per hour than samantha. if her assistant works 40 hours per week, what is the assistant’s salary

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.

Does the point (1, sqrt 7) lie on circle shown.

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.