Which of the following is a solution to the given system of equations? ſ y=x+4
12y =
= -2x + 20
O (9, 10)
O (10,9)
O (6,4)
O (4.6)

$452.90 because you needed to round to the nearest cent

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer