Answer:
Step-by-step explanation:
If he types 40 words a minute, he can type 2000 words in 50 minutes you can solve this by doing 40*50 the number of hours would be less than one
Right change flip it's simple
Answer:
Using Pythagoras Theorem, squareroot 15^2 - 5^2.
After you found the opposite length, use the cosine rule to find angle x.
Answer:
C
Step-by-step explanation:
A function passes the vertical line test. This graph passes it so it is a function.
A one to one function has a single output for each input. This has multiple outputs for some inputs. Therefore, it is not one to one.