Solve.If 2.8 pounds of a certain grain cost $2.24, how much will 5.8 pounds of the grain cost?
A. $4.79
B. $3.62
C. $4.38
D. $4.64
Answer: D
Mathematics
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Perform the indicated operations. Write the answer in simplest form.
? 
A. 
B. 
C. 
D. 
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Use the distributive property to rewrite the algebraic expression without parentheses. Simplify.2(2x + 2 + y)
A. 4x + 2 + y B. 4x + 4 + y C. 4x + 2 + 2y D. 4x + 4 + 2y
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Find the magnitude and direction angle of the vector v. Round the direction angle to the nearest tenth of a degree when necessary.v = -5i + 7j
A. 
, 54.5°
B. 74, 125.5°
C. 12, 305.5°
D. 
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