Answer:
90°
Step-by-step explanation:
Complementary angles sum to 90°
Supplementary angles sum to 180°
Rational Numbers: Any number that can be written in fraction form is a rational number. This includes integers, terminating decimals, and repeating decimals as well as fractions. An integer can be written as a fraction simply by giving it a denominator of one, so any integer is a rational number.
Hope this helps!
136+212=348 this is just adding, no regrouping required
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the answer would be b=254 over 3