Simplify the expression. Include absolute value bars where necessary.

A.
B. -
C. p
D. -p


Answer: A

Mathematics

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Solve the problem. Assume all data are accurate to two significant digits unless greater accuracy is given.Two cities are 81.4km apart. Vehicle A leaves one city at the same time vehicle B leaves the other. Find the speed of vehicle A if it travels 6.5 km/h faster than vehicle B and if they pass in 14.7 minutes.

A. 6.0 km/h B. 169.4 km/h C. 166.3 km/h D. 162.9 km/h

Mathematics

Use the LCD to clear fractions and solve the given equation.(2x - 9) = - x

A.
B.
C. 0
D.

Mathematics

Find the intersection of the given intervals.(-9, 0) ? [-3, 10]

A. [-3, 0) B. (-9, 10] C. (0, 10] D. (-9, -3]

Mathematics

Write the conjugate  of the complex number z. Then find z.z = 7 - 2i

A.  = 7 + 2i, z = 49 - 4i2
B.  = 7 + 2i, z = 53
C.  = 7 + 2i, z = 49 - 4i
D.  = 7 + 2i, z = 45

Mathematics