Solve.The total length of a canoe race is 
of a mile. Gretta has completed 
of a mile. How much does she have left to complete?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Answer: A
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Find the range of the quadratic function.f(x) = 6 - (x + 2)2
A. (-?, 2] B. [6, ?) C. (-?, 6] D. [-2, ?)
Express in terms of i.6 - 
A. 6 - 10
i
B. 6 + 10
i
C. 6 - 
i
D. 6 - 10
i, 6 + 10
i
Factor the trinomial.x2 + 7x + 10
A. (x + 2)(x + 5) B. (x + 10)(x + 1) C. (x - 2)(x + 5) D. (x - 2)(x - 5)
Solve the problem.Suppose that 5% of all adults over 40 have diabetes. A certain physician correctly diagnoses 90% of all adults over 40 with diabetes as having the disease and incorrectly diagnoses 3% of all adults over 40 without diabetes as having the disease.(a) Draw a tree diagram and label it with appropriate probabilities.(b) Find the probability that a randomly-selected adult over 40 does not have diabetes but is diagnosed as having diabetes.(c) Find the probability that a randomly-selected adult over 40 is diagnosed as not having diabetes.(d) Find the probability that a randomly-selected adult over 40 actually has diabetes, given that he/she is diagnosed as not having diabetes.
What will be an ideal response?