Express the radical in simplest form, rationalize denominators, and perform the indicated operations.4
+ 3
- 7
A. 0
B. -41
C. -82
D. 99
Answer: B
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The area of a rectangular region is 187 square feet. If the length and width are each increased by 5 feet, the area is increased by 165 square feet. Find the length and width of the original rectangle.
A. 13 feet by 19 feet B. 11 feet by 17 feet C. 10 feet by 16 feet D. 8 feet by 14 feet E. 12 feet by 18 feet
Perform the indicated operations and express your answer in the form a + bi. 
A. -2i
B. 2i
C. -i
D. ±2
Determine the constant term that must be added to the expression to make it a perfect square.x2 + 
x
A. 
B. 
C. 
D. 144
If angle ? is in standard position and intersects the unit circle at 
find 
and
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?
A. 
B. ?
C. ?
D. ?
E. ?