The following triangle abc is rotated clockwise about the origin the new coordinates are a'(1,-2) b'(4,6) and c'(-2,3). which of the following is measured of the angle of rotation?
original angles a(2,1) b(-6,4) c(-3,-2)

a. 45 degrees

b. 90 degrees

c. 180 degrees

d. 270 degrees

Which of these triangle pairs can be mapped to each other using two reflections?

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

Find the root(s) of f (x) = (x- 6)2(x + 2)2.