Solve the problem.An angle above the horizontal is called an angle of elevation, and an angle below the horizontal is called an angle of depression. 
The pilot of a boat sees the light from a lighthouse at an angle of elevation of 13°. The light is on the shoreline, 350 feet above the dock. How far (to the nearest hundred feet) is the boat from the dock?
A. 1400 feet
B. 2100 feet
C. 1600 feet
D. 1500 feet
Answer: D
Mathematics
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Solve the equation.
- 
= 
A. 2, -2 B. no solution C. 2 D. -2
Mathematics
Solve the given applied problem.A projectile moves vertically upward such that its distance s (in ft) above the ground is given by 
Determine how high the projectile will go (to 3 significant digits).
A. 923 ft B. 2180 ft C. 925 ft D. 935 ft
Mathematics
Simplify the algebraic expression.3 + (x + 6)
A. 9x B. x + 9 C. 3x + 18 D. x + 18
Mathematics
Express the complex number in trigonometric form.6
A. 6(cos 90° + i sin 90°) B. 6(cos 180° + i sin 180°) C. 6(cos 0° + i sin 0°) D. 6(cos 270° + i sin 270°)
Mathematics