Find the mean. Round to the nearest tenth when necessary.The weights in pounds of the five books in Lynn's backpack are as follows: 2.5, 2.8, 3.1, 2.5, 1.6
A. Mean = 2.5 pounds
B. Mean = 3 pounds
C. Mean = 2.1 pounds
D. Mean = 2 pounds
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial is prime, state so.81k3m - 375m4
A. (9km - 15m2)(9k2 + 25m2) B. 3m(27k - 5m)(k2 + 15km + 25m2) C. 3m(3k + 5m2)(9k2 - 15km + 25km2) D. 3m(3k - 5m)(9k2 + 15km + 25m2)
Mathematics
Solve the differential equation.
= 6x
A. y = 3 sin-1 (3x2 + C) B. y = sin (3x2 + C) C. y = 3 sin (3x2 + C) D. y = sin-1 (3x2 + C)
Mathematics
Answer the question.True or False: The graph of the equation 12x - 20y = 12 goes 
A. True B. False
Mathematics