Answer:
nnnnnnnnnnnnnnnnnnnnnnnnn
Step-by-step explanation:
A complementary angle is an angle that adds up to 90 degree each and every time. So, therefore the correct formula to use is 90-63=27. Now, you have your answer and can check it twice if you'd like by the formula. Again your answer is 27.
Answer:
100 million
Step-by-step explanation:
To solve this, set up the equation, 90% of x being .9*x=57. Then, solve for x, x=57/.9=

=6.333