Perform the indicated operation and write the answer in lowest terms. 18 - 9
A. 17
B. 9
C. 9
D. 8
Answer: D
Mathematics
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Factor the polynomial by grouping.20x2 + 8x - 15x - 6
A. (4x + 3)(5x - 2) B. (20x + 3)(x - 2) C. (20x - 3)(x + 2) D. (4x - 3)(5x + 2)
Mathematics
Perform the indicated operation and express in lowest terms.
+ 
A. 
B. 
C. 5
D. 
Mathematics
Use a graphing utility to approximate the real solutions, if any, of the equation rounded to two decimal places.x4 - 5x3 + 6x - 2 = 0
A. {4.75, 1, 0.38, -1.13} B. {4.71, 1.44, -0.38, -0.77} C. {0.31, -5.23} D. no solution
Mathematics
Find the proportion of observations of a standard normal distribution that are between the given z-scores.-1.2 and 0.5
A. 0.5601 B. 0.1934 C. 0.5764 D. 0.5784
Mathematics