Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 5 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?
A. 1.6 ft
B. 4 ft
C. 0.8 ft
D. 3.2 ft
Answer: C
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Evaluate the integral.
A. - 
cot34x + cot 4x + x + C
B. - 
cot34x + 
cot 4x + x + C
C. - 
cot34x + 
cot 4x + C
D. - 
cot34x + 
cot2 4x + x + C
Which of the following NCTM Standards documents was published first?
a. Principles and Standards for School Mathematics b. Curriculum and Evaluation Standards for School Mathematics c. Assessment Standards for School Mathematics d. Professional Standards for Teaching Mathematics
Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.- 
x = 4; multiplied
A. 4
B. - 
C. -8
D. 
Write the SI unit for the abbreviation.181 dam
A. 181 millimeters B. 181 dekameters C. 181 hectometers D. 181 decimeters