Answer:
With the increase of the value of a ,the value of the expression 20+a will also increase.
Step-by-step explanation:
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The answer is: yes
A rational number is any number that can be repesented as a fraction. So every integer is also a rational number (because it can be written as a fraction with the denominator 1)
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Answer:
115
Step-by-step explanation:
By interior angle sum postulate of a quadrilateral.

Distribute, combine like terms, and boom! Hope this helped! (FOIL method)
D . be after that if yyyy is still there at work