Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.The area of a square is 81 cm2. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 cm2 less than the area of the square. How much is added and subtracted?
A. 3 cm
B. 9 cm
C. 4 cm
D. Cannot be determined without additional information
Answer: A
Mathematics
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Solve the problem.Write 
+ 
as a single iterated integral.
A. 
B. 
C. 
D. 
Mathematics
Prove the identity.sin 2x = -2 sin(x - ?/2) cos (x - ?/2)
What will be an ideal response?
Mathematics
Find the x- and y-intercepts. If no x-intercepts exist, state so.y = x2 - 3x + 5
A. No x-intercepts, (0, 5)
B. 
, (0, -5)
C. No x-intercepts, (0, -5)
D. 
, (0, 5)
Mathematics
A school logo is made up of concentric circles as shown in the figure below. All the school colors, blue, green and yellow, are to be used. No two bordering regions can be the same color. If the center region must be yellow, how many different color schemes are possible?
What will be an ideal response?
Mathematics