Add or subtract. Express the answer as a mixed number.-5 - 1

A. -7
B. -6
C. -1
D. -7


Answer: D

Mathematics

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Use the decibel scale to answer the question.How does the intensity of sound form a concert speaker at a distance of 1 meter compare to the intensity at a distance of 7 meters?

A. Factor of 49 weaker at 7 m. B. Factor of 107 weaker at 7 m. C. Factor of 21 weaker at 7 m. D. Factor of 7 weaker at 7 m.

Mathematics

Write the numeral as an Ionic Greek numeral.39

A. ?? B. ?? C. ?? D. ??

Mathematics

Solve the system.

A. (2, 3), (3, 2) B. (2, -3), (3, -2) C. (-2, 3), (-3, 2) D. (-2, -3), (3, 2)

Mathematics

Solve the equation.log4(x + 1) = 4 + log4(x - 4)

A.
B.
C.
D.

Mathematics