Answer:
40 degrees
Explanation:
QPR + RPS = 90
(7x-9) + (4x+22) = 90
11x + 13 = 90
11x = 77
x = 7 -->
QPR = 7(7) - 9 = 40
40
11x+13=90
11x=77
x=7
49-9=40
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