Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.
- 
A. 7
B. 4
- 3
C. 3 - 4
D. 3
- 4
Answer: D
Mathematics
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Evaluate the improper integral or state that it diverges.
A. -1.569 B. 1.569 C. 0.578 D. diverges
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Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
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Find the perimeter of the figure.Square
A. 19 cm B. 38 cm C. 180.5 cm D. 48 cm
Mathematics
Convert the given equation to parametric equations. Answers may vary.x = y2 - 6y + 9
A. x = t2 + 6t + 9, y = t B. x = t2, y = t + 3 C. x = t, y = t2 - 6t + 9 D. x = t2 - 6t + 9, y = t
Mathematics