Hannah wants to put a border of thin purple icing around the perimeter of a circular cake . The cake has a radius of 12 centimeters . The dashed line represents the line she will draw with the icing . How many centimeters of icing will she need to make the border ?

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Find the multiplicative inverse of 8-12i

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126