Find the exact value of the expression or state that it does not exist.cos-1
A. 
B. - 
C. 
D. 
Answer: A
Mathematics
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Choose the equation that matches the graph.
A. 4y2 = x B. x2 = 4y C. 4x2 = -y D. 4x2 = y
Mathematics
Identify the group of terms as like or unlike.16a3, 16a9
A. Like B. Unlike
Mathematics
Add a constant term to the expression to make it a perfect square.x2 + 
x
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 4
- 6
B. 4
- 2
C. 3
- 2
D. 5
+ 6
Mathematics