If I have one pyramid with the volume of 384 and another one with the volume 3456 how much bigger is the second pyramid as a percentage?

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?