Solve.
x = 4
A. -2
B. 2
C. 1/2
D. -1/2
Answer: A
Mathematics
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Find the requested value.
{x2 - 5x + 1, if x ? 2x, if x > 2
A. -5 B. 13 C. 2 D. -7
Mathematics
Solve the problem.Find the volume V of a sphere of radius 5 yd. Use 3.14 for ?. If necessary, round the result to the nearest tenth.
A. V = 104.7 yd3 B. V = 523.3 yd3 C. V = 4,186.7 yd3 D. V = 294.4 yd3
Mathematics
Use factoring techniques to solve the quadratic equation.(3x + 8)(x + 8) = 33x + 68
A. {
, -1}
B. {- 
, - 
, -8}
C. {- 
, -8}
D. {- 
, - 
}
Mathematics
Use a graphing calculator to solve the system. Express solutions with approximations to the nearest thousandth.
x + 
y - 3 = 0
x - y - 
= 0
A. ? B. {(1.581, 0.289)} C. {(1.099, 0.547)} D. {(1.670, 0.443)}
Mathematics