Simplify the expression. Assume that all variables are positive.
? 
A. 2x2y3
B. 4x2y4
C. 2x2y
D. 2xy3
Answer: A
Mathematics
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Set up an integral for the length of the curve.y = 3 cos x, 0 ? x ? ?
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.A graphics design company has been hired to print the posters for an upcoming rock concert. The poster size is 22 inches by 28 inches and will have a 3-inch border around all sides. What is the area of the printable space? (Note: Area = Length × Width)
What will be an ideal response?
Mathematics
Use the Pythagorean Theorem to find the missing side of the right triangle.
A. 
B. 
C. 
D. 57
Mathematics
Simplify the expression using the order of operations. Write the answer as an improper fraction where appropriate.20 + (22 ? 2) - 6
A. 78 B. 58 C. 38 D. -168
Mathematics