Answer:
67 degrees
Step-by-step explanation:
All angles in a triangle add up to 180 degrees. So...
23 + x + 90 = 180
113 + x = 180
x = 67 degrees
a= 9/4
2m^(5/2)/m^(1/4)
2m^(5/2 -1/4)
2m^(9/4)
Hope you find this helpful <3