Find the exact value of the expression.cos-1
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Determine whether the indicated vertex is even or odd. 
Vertex "D"
A. "Odd" B. "Even"
Mathematics
Solve.If y varies directly as x2, and y = 1450.725 when x = 1.45, find y when x = 0.4.
A. 5258.87813 B. 400.2 C. 19,063.4332 D. 110.4
Mathematics
Solve the problem.The width of a rectangle is 6 kilometers less than twice its length. If its area is 140 square kilometers, find the dimensions of the rectangle.
A. length = 3 km, width = 
km
B. length = 7 km, width = 8 km
C. length = 10 km, width = 14 km
D. width = 10 km, length = 14 km
Mathematics
Find the requested probability.A box contains the six letters SAMPLE. Four letters are drawn one by one with replacement and recorded in order. What is the probability that the outcome is LEAP?
A. 
B. 
C. 
D. 
Mathematics