Which of the following entrepreneurs is best known for revolutionizing the communications industry which with his inventions? alexander graham bell, michael dell, charles duryea, henry ford

What school are you from and what state are you from?

Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.

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