I just need an answer no need for explanation. Thank you if you help!

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?