Help me pls

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

1/4x+5=3/4. i can't get access to the answer to this question! and, my request on "contact us" will not go

Ken leaves work 20 minutes late. he decides to make up time by taking the toll road instead of side streets. he can travel three times faster by taking the toll road. create an equation to represent his total travel time, including wait time, where x is the number of minutes the drive was expected to take