Find the number or numbers.If -9 is added to a number and the sum is doubled, the result is -6 less than the number. Find the number.
A. 24
B. 12
C. -12
D. 3
Answer: A
Mathematics
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Use inductive reasoning to predict the next equation.6 × 7 = 8 × 9 - (6 + 7 + 8 + 9)7 × 8 = 9 × 10 - (7 + 8 + 9 + 10)
A. 8 × 9 = 10 × 11 - (6 + 7 + 8 + 9 + 10 + 11) B. 9 × 10 = 11 × 12 - (8 + 7 + 6 + 5) C. 9 × 10 = 11 × 12 - (9 + 10 + 11 + 12) D. 8 × 9 = 10 × 11 - (8 + 9 + 10 + 11)
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. z + 4
D. 
Mathematics
Simplify.12 ? 12 - (9 - 6) ÷ 3 - (10 - 9)
A. 142 B. 124 C. 37 D. 46
Mathematics
Graph the inequality on a number line. Then write the solution in interval notation.x < 2
A. [2, ?)
B. (-?, 2)
C. (2, ?)
D. (-?, 2]
Mathematics