Write the augmented matrix for the system of equations.
A. 
B. 
C. 
D. 
Answer: C
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As part of a statistics project, a 6th grade teacher brings to class a container with 200 red marbles and 800 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 150 marbles from the container. Of the 150 marbles drawn, 33 are red.The sample consists of
A. the 33 red marbles drawn by the student. B. the 1000 marbles in the container. C. the 200 red marbles in the container. D. the 150 marbles drawn by the student. E. none of these
Divide. Write the answer in simplest form.0 ÷ 9
A. 9
B. 0
C. 
D. undefined
Find the product.(x - 4i)(x + 4i)
A. x2 - 16 B. x2 - 8x - 16 C. x2 + 8x + 16 D. x2 + 16
Use a factor pair table to find all of the factor pairs of each number.84
A. 1 and 84; 2 and 42; 3 and 28; 4 and 21; 7 and 14 B. 1 and 84; 2 and 42; 3 and 28; 4 and 21; 6 and 14; 7 and 12 C. 1 and 84; 2 and 42; 3 and 21; 4 and 14; 6 and 12; 7 and 7 D. 1 and 84; 2 and 42; 3 and 28; 4 and 21; 5 and 14; 6 and 12; 7 and 9; 8 and 8