Complete the sentence.The straight line that defines the half-plane that is the graph of a linear inequality is

A. a region.
B. an axis.
C. a boundary.
D. a domain.


Answer: C

Mathematics

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Which expression(s) is(are) true? 1. A plane as a geometric figure that has position but no length, width, or depth. 2. Points are labeled with capital letters. 3. A plane extends infinitely far in both directions, but has no width or depth. 4. Planes are made up of points. 5. A line is a flat surface, extending infinitely far in every direction, that has length and width but no depth.  

A. 1, 2, 3, 4 B. 2 , 4  C. 1, 2, 4, 5 D. 1, 2

Mathematics

Express the number in scientific notation.0.000315

A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5

Mathematics

Graph the equation in the rectangular coordinate system.3 - x = 5

A.

B.

C.

D.

Mathematics

Convert the repeating decimal to a fraction.0.

A.
B.  
C.  
D.  

Mathematics