X=−4a 2 +3ab+12b 2 Y=9a 2 +ab−7b 2 Y+X=Y+X=Y, plus, X, equals
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<span>The answer to this question is the attached image below: It is the given dominoes in each number that matches to the same number of dominoes that former options has to the latter choices. As shows the solution is given below as to clearly show the equation which is designated to the desired domino.</span>
Answer:
97°
Step-by-step explanation:
you do and then
which is the total sum of the two unknown vertical angles. once you have that, divide it by 2 to get
as the measure of each individual unknow vertical angle