Annie has 3 1/2 cups of flour in her pantry. she uses 1/4 of the flour to make cupcakes. how many cups of flour does she use for the cupcakes?

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

3x = 729 solve for x plz . it's urgent. will mark

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?