Answer:
the lesson will end at 11:10.
Step-by-step explanation:
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Subtraction property of equality is the answer.
Ok so where they went wrong was they subtracted incorrectly when trying to prove RSQ’s degree.
RSQ+35+75=180
So 35+75= 110
And when you subtract 180-110= 70°
BUT, in the box for subtraction property of equality, they write RSQ is equal to 75° which is incorrect because they subtracted wrong.
The ratios for 30:60:90 are x:sqrt(3)x:2x
The answer is A. 4(n 3) - 6n