Factor the perfect square trinomial.9x2 + 6x + 1
A. (3x + 1)(3x - 1)
B. (x + 3)2
C. (3x + 1)2
D. prime
Answer: C
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Draw a tree diagram for the experiment. Then use the diagram to find the number of possible outcomes.Spin the first spinner once and the second spinner once. 
A. 9 B. 12 C. 16 D. 7
Perform the conversion. Round to the nearest tenth when necessary.97.1 in. to cm
A. 246.6 cm B. 38.3 cm C. 1165.2 cm D. 8.1 cm
Provide an appropriate response.Suppose you want to solve the following problem. A teacher can grade 7 essays in 2 hours. At this rate, how many essays will she be able to grade in 5 hours? Which of the following proportions will give the correct answer?(i) 
= 
(ii) 
= 
(iii) 
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(iv) 
= 
A. (i) and (iv)
B. (i) only
C. (iii) only
D. (ii) and (iv)
Factor the trinomial completely.-p2 + 13p - 40
A. -(p + 5)(p + 8) B. -(p - 5)(p - 8) C. -(p - 5)(p + 8) D. Prime