Decide whether the figure is convex or concave.
A. Concave
B. Convex
Answer: B
Mathematics
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Find the exact value of the expression.tan-1 (1)
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Mary bought a pound of butter for 
and a gallon of milk for 
What was her total bill?
A. $3.63 B. $3.53 C. $4.63 D. $4.53
Mathematics
Write the expression in radical notation. Evaluate by hand when possible.(mn)1/7
A. 
B. (mn)-7
C. 
D. 
Mathematics
Provide an appropriate response.A student claims that if the absolute value of a number is equal to the number, then the number must be positive. Is this true? Explain why or why not in your own words.
What will be an ideal response?
Mathematics