<span>2x^2 - 2x - 1 = 0 a = 2, b = -2, c = -1 b^2 - 4ac = (-2)^2 - 4(2)(-1) = 4 + 8 = 12
so the answer is 12
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20 x 18 = 360
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18 x 684 yards squared = 12,312 yards squared
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Answer:
12,312 yards squared
Answer:
the answe is 10.30
Step-by-step explanation:
im also from k12 lol
Answer: $9.23
because you multiply 3.59 by 3 to get $10.77 which was spent then you subtract $10.77 from $20.
