Answer:3x^2+8x-16
Step-by-step explanation:
Answer:
The answer and work is in the SS below
option A
option A y = 9√3 is the correct answer .
In∆ PQR
cos 30 = y /18
√3/2 = y / 18
y = 9√ 3
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I would say B.
Because 21x8.2=172.2
And then I learned that you only divide the area by 2 so I say B
