Divide.
A. x + 5
B. x - 5
C. x2 - 5
D. x2 + 4x - 32
Answer: B
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Solve the problem.A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 13° 12'. When the boat stops, the angle of depression is 49° 49'. The lighthouse is 200 feet tall. How far did the boat travel from when it was first noticed until it stopped? Round to the nearest foot.
A. 668 ft B. 706 ft C. 729 ft D. 684 ft
Write the logarithmic equation as an exponential equation.log327 = x
A. 3x = 27 B. 27x = 3 C. x3 = 27 D. 273 = x
Write the decimal point in the correct location. $3.68 × 0.172 = 63296
A. $6.3296 B. $63.296 C. $63,296. D. $0.63296
Simplify the difference.(-3x + 13) - (15x + 17)
A. -18x + 30 B. 12x + 30 C. -22x D. -18x - 4