Solve the inequality. Express your answer using interval notation.5 ? 2x + 1 ? 15
A. (2, 7)
B. [2, 7]
C. (-7, -2)
D. [-7, -2]
Answer: B
Mathematics
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Solve the system of equations by the elimination method.9x + 9y = 18-3x - 4y = -8
A. (0, 2) B. no solution C. (-1, 3) D. (0, 3)
Mathematics
Combine like terms.5pq + 8p + 5q + 9p + 7pq + 3
A. 12pq + 14p + 9q + 3 B. 12pq + 17p + 8q C. 37pq D. 12pq + 17p + 5q + 3
Mathematics
Divide.
A. 3y2 - 2y + 1 B. 3y2 + 2y - 1 C. 3y2 - 1 D. 3y2 + 2y
Mathematics
Add.-9 + 1
A. 10 B. -10 C. -8 D. 8
Mathematics