Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Provide an appropriate response.If you knew the measurements of the sides of a triangle, how could you determine whether it was a 30°, 60°, 90° triangle?
What will be an ideal response?
Mathematics
A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.V = 
Bh; V = 72, h = 9
A. B = 81 B. B = 648 C. B = 8 D. B = 24
Mathematics
Graph the inequality.y ? 10x2 - 5
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of y = cos x between x = -4? and x = 4? by extending the graph for x between 0 and 2?.
?
?
A. ?
B. ?
C. ?
Mathematics