Solve.6r + 3 = 45
A. 40
B. 36
C. 7
D. 4
Answer: C
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Use the graph of the inequality to find the set.A = {x|x < 3}, B = {x|x > -2}Find A ? B.
A. {x|x > -2}; (-2, ?)
B. {x|-? < x < ?}; (-?, ?)
C. {x|-2 < x < 3}; (-2, 3)
D. {x|x < 3}; (-?, 3)
Answer the following statement(s) true (T) or false (F)
1. If a problem involves a large array or diagram, a good strategy to try is “Use a Variable.” 2. If a problem involves a physical situation, the “Draw a Picture” strategy may be appropriate. 3. If a problem involves a sequence of numbers or figures, the “Draw a Picture” strategy may be appropriate. 4. If a problem asks you to make a prediction or generalization, the “Look for a Pattern” strategy may be appropriate.
Solve the system of equations. x + y + z = 7 x - y + 2z = 75x + y + z = 11
A. (1, 4, 2) B. (1, 2, 4) C. (4, 2, 1) D. (4, 1, 2)
Solve the problem.Tony bought some stock for $680. If each share had cost $6 less he could have bought 3 more shares for the same $680. How many shares of stock did he buy?
A. 12 shares B. 14 shares C. 19 shares D. 17 shares