A circle with a radius of 4 in. is dilated by a scale factor of 1/2. What will be the circumference of the circle after dilation? A. 2(pi) in.
B. 4(pi) in.
C. 16(pi) in.
D. 24(pi) in.

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

What does the relationship between the mean and median reveal about the shape of the data

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76