Evaluate the following.cos-1 1.4 (Approximate to a tenth of a degree.)
A. Undefined
B. 0°
C. 0.2°
D. 1.0°
Answer: A
Mathematics
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Determine whether the statement is true or false. If it is true, give two examples to illustrate it. If it is false, give a single counterexample.If Alex got a higher grade than Ethan, and Harrison got a lower grade than Ethan, then Harrison got a lower grade than Alex.
What will be an ideal response?
Mathematics
Evaluate the expression for the given replacement values.yx, for x = 3 and y = 7
A. 4 B. 343 C. 10 D. 21
Mathematics
Compute.65 centimeters + 1 centimeter - 8.7 centimeters
A. 72.7 centimeters B. 66.3 centimeters C. 57.3 centimeters D. 55.3 centimeters
Mathematics
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Mathematics