Do this i need and show work too you you would be my hero

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Describe how making an ‘and’ compound sentence effects your solution set

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?