if x= (a^2)/b, which situation would always double the value of x? (1) doubling the value of a(2) halving the value of a(3) doubling the value of b(4) halving the value of b

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.