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