Construct a 45-45-90 degree triangle with leg equal to AB

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

How do you find the distance of each number from the mean

Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points