WILL MARK BRAINLIEST PLEASE HELP URGENT ITS A TEST PLEASE IM FAILING

2. Andrew has these marks: English 82%, French 75%, Art 78%, Science 80%
a) What mark will Andrew need in math if he wants his mean mark in these 5 subjects to be
each percent? Show your work. (3 marks)
D) 80%
ii) 81%
iii) 82%
b) Is it possible for Andrew to get a mean mark of 84% or higher? Justify your answer.

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

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32