Answer the question.What property of real numbers justifies the method of multiplying by the LCD of the parts? Why?
What will be an ideal response?
Answers will vary.
Mathematics
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Using the factoring method, solve for the roots of the quadratic equation.2x2 - 18x + 40 = 0
A. x = -4, x = -5 B. x = 2, x = 4, x = 5 C. x = 4, x = 5 D. x = 0, x = 4, x = 5
Mathematics
Find the common difference of the sequence.a1 = 2, a4 = 
; find d
A. 
B. 
C. 
D. 3
Mathematics
Solve.Sue wants to add a decorative wallpaper border to her living room. Refer to the diagram below for the dimensions of Sue's living room. How many feet of wallpaper border will she need?
A. 36 ft B. 40 ft C. 42 ft D. 44 ft
Mathematics
Evaluate.-10 ? 3 + 20
A. -10 B. 170 C. -50 D. -230
Mathematics