Solve.0.5x - 0.2(30 + x) = 0.1(30)
A. {30}
B. {40}
C. {20}
D. {15}
Answer: A
Mathematics
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Perform the indicated operation and simplify if possible.
A. 
B. 9
C. 3
D. 
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Answer the question.Which property of addition of whole numbers is illustrated?
A. Commutative property B. Associative property C. Additive-identity property
Mathematics
The equation D = 
n(n - 3) gives the number of diagonals D for a polygon with n sides. Use this equation to solve the problem.Find the number of sides n for a polygon that has 5 diagonals.
A. 2 sides B. 6 sides C. 5 sides D. 3 sides
Mathematics
Find the compound amount for the deposit. Round to the nearest cent.$1530 at 4% compounded annually for 14 years
A. $2325.60 B. $2547.56 C. $2649.46 D. $2386.80
Mathematics