Cuáles mecanismos y recursos se han desarrollado en el presente Siglo XXI que vienen impactando el conocimiento de la realidad?

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3