Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers.  -  + 4 = 4 + x

A. { x is a real number}
B. {60}
C. ?
D. {0}


Answer: D

Mathematics

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Find the equation of the hyperbola satisfying the given conditions.Vertices at (3, 0) and (-3, 0); foci at (10, 0) and (-10, 0)

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1

Mathematics

Answer the question.How many automobile license plates can be made involving 2 letters followed by 3 digits?

A. 1676 B. 676,000 C. 665,744 D. 696,500

Mathematics

Simplify the power of i. 

A. 1 B. i C. -i D. -1

Mathematics

Solve the polynomial equation using the zero product property.(8r - 2)(r + 1)(2r - 1)(x - 5) = 0

A.
B.
C.
D.

Mathematics