Find the nth root of the matrix b. an nth root of a matrix b is a matrix a such that an = b. b = 25 0 0 4 , n = 2

X+ y = 5 ; x - y =3 solve using linear combination

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points