A bicycle wheel is 63 centimeters from top to bottom. When the wheel goes all the way around one time, the bicycle travels 198 centimeters. How can this information be used to estimate the value of ?​

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

What is the solution for 6 - 7/8? explain the steps.