Confused on how to rotate the image for b

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Let x = a + bi and y = c + di and z = f + gi. which statements are true?