The endpoints of the diameter of a circle are (−2, −3) and (4, −1). Which equation represents the circle?
A) (x + 1)2 + (y − 2)2 = 10
B) (x − 1)2 + (y − 2)2 = 10
C) (x − 1)2 − (y − 2)2 = 40
D) (x − 1)2 + (y + 2)2 = 10

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Name the most appropriate metric unit for each measurement

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees