Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x + 4)(x + 3)(x - 7) > 0
A. (-?, -4) ? (-3, 7)
B. (7, ?)
C. (-?, -3)
D. (-4, -3) ? (7, ?)
Answer: D
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Find the mean for the list of numbers.Inches of snowfall per month: 4.2, 4.5, 2.5, 4.5, 2.3Round answer to the nearest tenth if necessary.
A. 4.2 in. B. 3 in. C. 4.5 in. D. 3.6 in.
Solve the problem.A bookcase is to be constructed as shown in the figure below. The height of the bookcase is 4 feet longer than the length of a shelf. If 26 feet of lumber are available for the entire unit (including the shelves, but NOT the back of the bookcase), what values are possible for the length of a shelf?
A. length ? 3 feet B. length ? 4.5 feet C. length ? 11.0 feet D. length ? 3 feet
Use factoring to find the zeros of the quadratic function. List the x-intercepts of the graph of the function.g(x) = 16x2 - 1
A. x = 
B. x = 
, x = 0
C. x = 
, x = - 
D. x = - 
Find the area of the geometric figure.Parallelogram
6 m
A. 12 sq m
B. 21 sq m
C. 42 sq m
D. 10
sq m