Add or subtract. Simplify your answer to lowest terms.
- 
A. 
B. 2x + 4
C. 
D. 
Answer: D
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Evaluate using a calculator. Express answers to the nearest ten-thousnadth.ln 280
A. 0.1769 B. 2.4472 C. 5.6348 D. 103.3210
Solve the problem.A grasshopper is perched on a reed 5 inches above the ground. It hops off the reed and lands on the ground about 5.9 inches away. During its hop, its height is given by the equation 
, where x is the distance in inches from the base of the reed, and h is in inches. How far was the grasshopper from the base of the reed when it was 4.25 inches above the ground? Round to the nearest tenth.
A. 0.6 inches B. 5.9 inches C. 4.2 inches D. 0.4 inches
Find the LCD for the fractions in the list.
, 
A. (x - 1)(x + 5)(x + 3) B. (x + 1)(x - 5)(x + 3) C. (x + 1)(x - 5) D. (x - 5)(x + 3)
Solve the equation by the square root property.(x + 1)2 = - 3
A. {2, 4}
B. {-1 ± 
}
C. {-1 - 
}
D. {-1 ± i
}