Many people had been made rich by:
hard work
war profits
inventions

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

The blue segment below is a diameter of oo. what is the length of the radius of the circle?

Which of the following statements best describes what is occurring in the land surrounding the sahara desert? a desertification is increasing, and the desert is expanding. b. fewer people are trying to farm in this semiarid region. c. the desert is shrinking with the increased use of irrigation. d. increased urbanization has resulted in decreased deforestation. select the best answer from the choices provided mark this and return save and exit next submit