Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places. 
A. 
? 1.280
B. 
? 7.211
C. 
? 1.639
D. 
? 2.685
Answer: B
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Find an equation for the rational function graph.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Use the addition rule to solve the problem.A spinner has regions numbered 1 through 18. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 
B. 15
C. 1
D. 
Identify the rules of algebra illustrated from left to right by the following statement.
( n - 5 ) + 5 = n + ( -5 + 5 ) = n + 0 = n A) commutative property of addition; additive inverse property; additive identity property B) distributive property; additive identity property; additive inverse property C) commutative property of addition; additive identity property; additive inverse property D) associative property of addition; additive identity property; additive inverse property E) associative property of addition; additive inverse property; additive identity property
Provide an appropriate response.
Using only this graph of f(x) = a(x - h)2 + k, what are the signs of h and k?
A. h is positive and k is negative. B. Both are negative. C. Both are positive. D. h is negative and k is positive.