Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height, h, of the outside walls.
a = b = 4 m
A. 4.6 m
B. 21 m
C. 11.1 m
D. 123 m
Answer: C
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Which students in the Watson and Moritz (2000) study were at times indifferent about the sizes of samples used for statistical investigations?
a. Samplers with primitive random selection b. Samplers with preselection of results c. Samplers with random or distributed selection d. Equivocal samplers
Add or subtract as indicated. Simplify, if necessary.
+ 
A. 1
B. 
C. 
D. 
Write the statement in the form "if p, then q."All numbers which are divisible by four are even numbers.
A. If a number is divisible by four, then it is even. B. If a number is even, then it is not divisible by four. C. If a number is even, then it is divisible by four. D. If a number is not divisible by four, then it is not even.
Use sum-to-product formulas to rewrite the expression as a product.sin 55° - sin 37°
A. 2 cos 46° cos 9° B. 2 cos 46° sin 9° C. 2 sin 46° cos 9° D. -2 sin 46° sin 9°