Find the length of the third side of the right triangle.Round to the nearest thousandth, if necessary.
A. b ? 26.926 km
B. b ? 22.913 km
C. b = 525 km
D. b ? 3.873 km
Answer: B
Mathematics
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is equal to 3. Can the same be said for 
? Explain why or why not.
What will be an ideal response?
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Multiply or find the special product.
?
?
A. 
B. 
C. 
D. 
E. 
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Find the cross-product and determine whether the proportion is true or false.
= 
A. 2310 = 2310; true B. 3360 ? 630; false C. 1800 = 1800; true D. 1800 ? 2310; false
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Express the sum using summation notation.
- 
+ 
- ... + (-1)(13 + 1) 
13
A. 
k
B. 
k
C. 
D. 
k
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