A group of middle school boys have a mean height of 167 cm and range of 164 cm. A group of high school boys have a mean height of 180 cm and a range of 175 cm to 183 cm. Which statement best compares the two groups of boys?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?