B & C I believe, not too sure about the “B” but ik C for sure
Answer:
w = 3
Step-by-step explanation:
19w - 1 = 11w + 23
19w - 11w = 23 + 1
8w = 24
w = 3
Answer: B is the correct answer.
50,000 because they rounded it down to half price, simple math
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X^2 + 2x -4= 0
You need to remember one standard result
ax^2 + bx + c= 0

By Comparing the coefficients,
a= 1, b=2, c=-4

Options A ,C