Simplify the expression. Include absolute value bars where necessary.

A. -
B. x
C. -x
D.


Answer: D

Mathematics

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Solve the problem.An object is thrown upward from the top of a  building with an initial velocity of 48 feet per second. The height h of the object after t seconds is given by the quadratic equation   When will the object reach the ground?

A. -2 sec B. 160 sec C. 2 sec D. 5 sec

Mathematics

PO = 125 W and Pin = 2.3 W. Find AP.

a. 34.7 dB b. 27.2 dB c. 19.2 dB d. 18.8 dB e. 17.4 dB

Mathematics

A. A(-2, 0); B(-6, -4) B. A(2, 0); B(6, -4) C. A(-2, 2); B(6, -4) D. A(-2, 0); B(6, -4)

Mathematics

Find a formula for the nth term of the sequence.The sequence 7, 8, 9, 10, 11, . . . (integers beginning with 7)

A. an = n + 6 B. an = n + 8 C. an = n + 7 D. an = n - 7

Mathematics