Awheel makes 1 and 8/5 revolutions per minute. if it rotate for 39 minutes how many revolutions does it make

If angle 2=3x +1 and angle 3=2x +4what is angle 2

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)