Abuilding is 139 ft tall. at noon it cast a shadow a 219- ft. what is the sun’s angle of elevation at that time.

A(t)=728(1+0.04)^t how much money did aditya originally invest

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia