Answer:
Step-by-step explanation:
Answer: A
Step-by-step explanation: Complementary angles must add up to 90 degrees.
Answer:
70%
Step-by-step explanation:

<u><em>Calculate</em></u>
<u><em /></u>
<u><em>Cross out the common factor</em></u>
<u><em /></u>
<u><em>Multiply a number to both the numerator and the denominator</em></u>
<u><em /></u>
<u><em>Write as a single fraction</em></u>
<u><em /></u>
<u><em>Calculate the product or quotient</em></u>
<u><em /></u>
<u><em>Calculate the product or quotient</em></u>
<u><em /></u>
<u><em>Rewrite a fraction with denominator equals 100 to a percentage</em></u>
<u><em /></u>
%
<em>I hope this helps you</em>
<em>:)</em>