Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.x = (y + 5)2 + 4

A. (4, -5), right
B. (-5, 4), left
C. (5, -4), right
D. (-25, 4), left


Answer: A

Mathematics

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Find the present value for the given future amount. Round to the nearest cent.A = $9000, 7 yearsr = 4% compounded semiannually

A. $6839.26 B. $6820.88 C. $2179.12 D. $11,875.31

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Simplify the radical expression. Assume all variables represent positive real numbers.

A.
B. 2
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Mathematics