Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(2x + 3)1/2 + (4 - x)1/2 = 4
A. 
B. ?
C. {3}
D. {-3}
Answer: A
Mathematics
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A square is inscribed in a circle. If the area of the circle is 28.25 
and the area of the square is 18 , find the area of the four-part region that lies outside the square but inside the circle.
What will be an ideal response?
Mathematics
Multiply or divide as indicated.(-5) × (-7) × (-4)
A. 140 B. -150 C. -140 D. -40
Mathematics
Find the sum of the given infinite geometric series if possible. Write the answer as a decimal number if appropriate.
A. -0.4 B. 0.4 C. -0.5 D. 1
Mathematics
Perform the indicated operations.(-3x2 - 7) - (-x3 + 9x2 - 5)
A. -2x3 + 9x2 - 2 B. x3 + 6x2 - 12 C. -2x3 + 2x2 + 5 D. x3 - 12x2 - 2
Mathematics