Solve the equation.
x - 16 = 0
A. {4, -4}
B. {2}
C. {-2}
D. {-1}
Answer: C
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If the number given is a mixed number, convert it to a fraction. If the number is given as a fraction, convert it to a mixed number.
A. 
B. 
C. 
D. 
Write the best-fit linear model for the data.The ages and lengths of several animals of the same species are recorded in the following table: 
Find the linear function to model this data.
A. y = 2.18x - 1.03 B. y = 0.93x + 2.18 C. y = 0.93x - 1.18 D. y = 1.03x - 2.18
Solve the triangle, if possible. If the triangle represents the ambiguous case, solve for all possible triangles. Approximate values to the nearest tenth when appropriate.
A. ? = 31.5°, ? = 48.7°, c = 27.5 B. ? = 53.7°, ? = 26.5°, c = 27.5 C. ? = 26.5°, ? = 53.7°, c = 27.5 D. No solution
Find the solutions to the system of equations by the addition method.0.8x + 6y = 51.2-0.1x + 0.4y = 2.8
A. (4, 8) B. (3, 9) C. (-4, -8) D. (4, 9)