Which of the following is the reference angle of 7pi/4

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

Which table represents a linear function? i'll give brainliest to first answer ^'^

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom