Factor by grouping.6x6 - 9x3 - 4x3 + 6
A. (3x3 - 2)(2x3 - 3)
B. (6x3 + 2)(x3 + 3)
C. (3x3 + 2)(2x3 + 3)
D. (3x6 - 2)(2x - 3)
Answer: A
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Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Which of the following tasks requires more than just visual decoding of a data display?
a. Reading the values for the x and y coordinates of a given point on a scatterplot. b. Consulting a bar graph to determine how many students in a class received As on their final exam. c. Finding the number of teachers in a school who make $50,000 or more per year by using compiled data displayed in a table. d. Deciding whether or not to trust a weather forecast by examining data about the forecaster's accuracy for the past year.
Complete the statement so that the indicated property is illustrated. Simplify the answer, if possible.-7 + (15 + 5) =
A. (15 + 5) - 7 = 13 B. (-7 + 15) + 5 = 13 C. 5 + (15 - 7) = 13 D. (-7 + 15) + (-7 + 5) = 6
Use mathematical symbols to translate the phrase. Use x to represent the unknown number. If there are two unknown numbers, use x and y to represent the numbers.7 more than half of some number
A. 
B. 
+ 7
C. x + 
D. 