What is the fact family that contains the equality?11 - 9 = 2
What will be an ideal response?
| 2 + 9 = 11 | 11 - 9 = 2 |
Mathematics
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Solve the problem.For what values of x would the rectangle have a perimeter of at least 224? 2x + 3 
A. 11 or greater B. 23 or less C. 23 or greater D. 11 or less
Mathematics
Solve the problem.Use the graph of y = - 
x + 1, that is provided, to solve the equation 
A. 2 B. -3 C. -1 D. -2
Mathematics
Solve the inequality by the test-point method. Write the solution in interval notation.x2 - 2x - 16 ? 0
A. (-?, -
] ? [
, ?)
B. (-?, 1 - 
] ? [1 + 
, ?)
C. [1 - 
, 1 + 
]
D. (-?, 1 - 
) ? (1 + 
, ?)
Mathematics