For which system of equations is (2, 2) a solution?
a.–3x + 3y = 0
x + 6y = 10b.–2x + 5y = –6
4x – 2y = 4c.5x – 2y = –6
3x – 4y = 2d.2x + 3y = 10
4x + 5y = 18

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

What is the y-intercept of the line with the equation 3x + 4y = 12?