Draw a vector representing the course of a ship that goes 
miles on a course with direction 
.
?
A. ?
?
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Determine whether the quantity is a variable or a constant.The number of roses in a dozen roses
A. variable B. constant
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Evaluate the function.Let f(x) = tan x and g(x) = x + 6, and h(x) = 7x. Find g(f(h(x))).
A. tan (7x + 6) B. tan 6x + 7 C. tan 7x + 6 D. Undefined
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Find the area of the rectangle.
5 mi
A. 28 sq mi B. 25 sq mi C. 20 sq mi D. 21 sq mi
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Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = 
. How many hours of study are needed to score 83? Round to the nearest hundredth of an hour.
A. 4.51 hr B. 101.05 hr C. 1.75 hr D. 17.50 hr
Mathematics