Find the LCD.
, 
A. (x + 1)(x - 4)(x - 3)
B. (x - 4)(x - 3)
C. (x + 1)(x - 4)
D. (x - 1)(x + 4)(x - 3)
Answer: A
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Solve for the percentage in the problem. Round to the nearest tenth of a percent.$957 is % of $1745.
A. 182.3 B. 54.8 C. 0.1 D. 0.5
Simplify. Assume that all variables represent positive real numbers.6
- 2
- 
A. 17x
B. 18x
C. 4x
D. 3x
Solve equation by using the quadratic formula.24x2 + 50x = -25
A. x = - 
, - 
B. x = - 
, - 
C. x = 
, 
D. x = 
, 
Solve the problem.The surface area S (in square inches) of a cylindrical pipe with length 12 inches is given by S(r) = 2?r2 + 24?r, where r is the radius of the piston (in inches). If the radius is increasing with time t (in minutes) according to the formula r(t) = 
t2, t ? 0, find the surface area S of the pipe as a function of the time t.
What will be an ideal response?