Find the value of the missing piece!! :)

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv