Solve the problem.The solution set of the inequality  is . Without doing any work, give the solution to 

A.  ? 
B.
C.
D.


Answer: C

Mathematics

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Which of the following can be assumed to be true? ?

A.

?If , then b> c.


B.

?If , then b< c.


C.

?If , then .


D.

?The mean of  is .


E.

?None of the above are true.


Mathematics

Use the elimination method to solve the system of linear equations. 3x - 2y = 4-6x + 4y = 7

A. (1, 2) B. Infinite number of solutions C. (2, 1) D. No solution

Mathematics

Arrange the list of numbers in order from smallest to largest.5.24, 4.69, 4.96, 5.42

A. 4.96, 4.69, 5.42, 5.24 B. 5.42, 5.24, 4.96, 4.69 C. 4.69, 4.96, 5.24, 5.42 D. 4.69, 5.24, 4.96, 5.42

Mathematics

Solve the problem.Penrose tiles are formed from a rhombus WXYZ with sides of length 1 and interior angles 72° and 108°. (Refer to the illustration.) A point O is chosen on the diagonal 1 unit from Y. Line segments OX and OZ are drawn to the other vertices. The two resulting tiles are called a kite (figure OXYZ) and a dart (figure OXWZ). Find the area of the kite tile and the dart tile, correct to the nearest 0.01. 

What will be an ideal response?

Mathematics