The combined area of a square and a rectangle is 135 square centimeters. The width of the rectangle is 3 centimeters more than the length of a side of the square, and the length of the rectangle is 2 centimeters more than its width. Find the dimensions of the square and the rectangle.
A. 6 centimeters by 9 centimeters and 11 centimeters by 11 centimeters
B. 9 centimeters by 9 centimeters and 6 centimeters by 8 centimeters
C. 6 centimeters by 6 centimeters and 9 centimeters by 11 centimeters
D. 6 centimeters by 6 centimeters and 9 centimeters by 8 centimeters
E. none of these
Answer: C
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Find the requested vector.v = 5i - 4j + k, u = -5i + 2j + 3kFind a vector orthogonal to both v and u.
A. -8i + 4j - 16k B. -2i - 8j + 8k C. -14i - 20j - 10k D. 2i + 8j + 22k
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
Is there a profit when 947 binoculars are produced?
A. Yes B. No
Solve the problem.A rectangular city park has a jogging loop that goes along a length, width, and diagonal of the park. To the nearest yard, find the length of the jogging loop, if the length of the park is 125 yards and its width is 75 yards.
A. 346 yards B. 345 yards C. 145 yards D. 146 yards
Simplify the root, if possible.
A. 
+ 5
B. 
C. z + 5
D. -z - 5