Brandy attaches some trim to create a decorative border around the edges of a circular mirror. The original mirror had a radius of 4.5 inches and a circumference of 28.26 inches.
With the trim added, the mirror now has a diameter of 10 inches. Is the circumference of
the trimmed mirror greater or less than 30 inches?

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.

1/6

step-by-step explanation:

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)