Two adjacent angles form a straight angle. if one angle measures 60°, what is the measure of the other angle? 120°140°60°can't be determined

In the 30-60-90 triangle below side s has a length of and side r has a length

Find the area of a parallelogram with base 15 yards and height 21 2/3

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)