How many integers between the values of 13 and 19, inclusive, have an even number of prime factors?

Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs

Factors that determine climate can a- latitude, topography, huracan, ocean current b- sun, precipitation, winds, precipitation c- sun, ocean currents, latitude, topography, winds, precipitation d- latitude, topography, lighting, ocean current

The equation 24x2+25x−47ax−2=−8x−3−53ax−2 is true for all values of x≠2a, where a is a constant. what is the value of a? a) -16b) -3c) 3d) 16