Find the LCD for the fractions in the list. , 

A. 2(x + 2)(x + 3)
B. 2(x - 2)(x - 3)
C. 2(x - 2)(x + 3)
D. 2(x + 2)(x - 3)


Answer: A

Mathematics

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Solve.The area of a rectangular wall in a classroom is 220 square feet. Its length is 8 feet shorter than three times its width. Find the length and width of the wall of the classroom.

A. width = 10 ft; length = 18 ft B. width = 10 ft; length = 38 ft C. width = 10 ft; length = 34 ft D. width = 10 ft; length = 22 ft

Mathematics

Use the distributive property to rewrite the expression.9(8r + 3 + 4s)

A. 72r + 3 + 36s B. 72r + 3 + 4s C. 72r + 27 + 36s D. 72r + 27 + 4s

Mathematics

Identify whether the equation, when graphed, will be a parabola, circle, ellipse, or hyperbola.4x2 + 9y2 = 36

A. circle B. ellipse C. parabola D. hyperbola

Mathematics

Solve the problem.The number of births in County A has been increasing in recent years. Using the information given on the bar graph for the years 1960 and 1990, find an equation to model the number of births y for the year x. Let x = 0 correspond to the year 1960.

A. y = x - 2190
B. y = x + 1693
C. y = x + 1693
D. y = x + 

Mathematics