Factor, if possible.x2 - 1.8x + 0.81
A. (x + 0.9)(x - 0.9)
B. (x - 0.9)2
C. Prime polynomial
D. (x + 0.9)2
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Tell whether the statement is true or false.{8} = {x | x is an even counting number between 10 and 16}
A. True B. False
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Solve the three-part linear inequality. Graph the solution set on a number line, and express the solution using interval notation.-4 < x + 3 ? 5
A. (-1, 8]
B. (-7, 2]
C. [-7, 2)
D. [-1, 8)
Mathematics
Solve the problem.The diameter at the equator of the planet Mars is 6790 kilometers. What is the equatorial circumference of Mars? Use 3.14 as an approximation for ? and round to the nearest hundred kilometers.
A. 21,300 km B. 36,210,075 km C. 10,700 km D. 42,700 km
Mathematics