In circle E with mZDEF = 60 and DE = 15 units find area of sector DEF. Round to the nearest hundredth.

Which of the activities listed below could limit global warming by slowing the increase in atmospheric carbon dioxide levels? view available hint(s) select all that apply. a. replacing fossil fuels with nuclear energy b. burning vegetation to clear land for agriculture c. limiting soil erosion so organic matter takes longer to decompose d. choosing a fuel-efficient car, or bicycling to school or work e. using more electrical appliances and cars f. cutting down forests to build houses

Equilateral triangle pbj is inscribed in a circle as shown. determine the measure of arc pjb.

What first caused people to consider that the continents were once one large landmass?