Katie borrowed $2,500 at 10% simple interest for 5 years. what was the total interest?

a. $12.50

b. 125.00

c. 1,250.00

d. 12,500.00

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

The radius of a sphere is 3 inches. which represents the volume of the sphere?