Answer:
D) x=9 ; y=3√(3)
Step-by-step explanation:





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Therefore, x=9 and y=3√(3)
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Expand (x+2)^2: x^2 + 4x + 4 : remember that (a+b)^2 = a^2 + 2ab + b^2
So: x^2 + 4x + 4 - x^2 = 60
It’s c I just google the answer and did the test it’s c
Answer:
x=10/3
Step-by-step explanation:
Vertical angles are congruent and therefore are equal. Just set up an equation where the two angle values are equal to one another and solve with basic algebra.