Simplify the expression. Include absolute value bars where necessary.
A.
B. -
C. p
D. -p
Answer: A
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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
Use the LCD to clear fractions and solve the given equation.(2x - 9) = -
x
A.
B.
C. 0
D.
Find the intersection of the given intervals.(-9, 0) ? [-3, 10]
A. [-3, 0) B. (-9, 10] C. (0, 10] D. (-9, -3]
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