Answer:
Yes, any pair of complementary angles add up to 90 degrees. By simply using 90-x you can find the other angle.
I you're looking for the equation, it is

and If you need me to solve it, it is
6.5 x 10 to the 3rd power
remember the base must be less than 10 and greather or equal to 1
Answer: Your answer will be 8 s = (8,3) but since there isn’t no 3 for your answers choice then it should be 8! Hope this help!