We first have to figure out x, then find the measure of each angle.
When 2 angles are complementary, they add up to 90.
Thus, we can say:
x - 10 + 4x - 10 = 90
Solving this for x:
5x - 20 = 90
5x = 90 + 20
5x = 110
x = 22
Now,
First angle UVW is x - 10, so, 22 - 10 = 12 degrees
Second angle XYZ is 4x - 10 = 4(22) - 10 = 78 degrees