Four tangent circles centered on the x-axis are shown below. the radius of circle a is twice the radius of circle o. the radius of circle b is three times the radius of circle o. the radius of circle c is four times the radius of circle o. all circles have integer radii. the point (63, 16) lies on circle c. what is the standard equation of circle a? a detailed explanation would be preferred : )

Will give the box plots below show the math scores of students in two different classes: class a 55 72 75 89 95 class b 55 70 75 94 100 based on the box plots, which statement is correct? a: the median score of class a is greater than the median score of class b. b: the lower quartile of class a is greater than the lower quartile of class b. c: the upper quartile of class a is greater than the upper quartile of class b. d: the maximum score of class a is greater than the maximum score of class b.

Tanner has purchased a car with a loan. his bank now deducts the amount of the monthly payment from his account on the second of every month. which financial service has tanner’s bank offered him? a. money transfer b. automated payment c. online banking d. atm withdrawal

What is the volume of the composite figure? cubic inches