Solve the problem.How many liters (L) of a 20% alcohol solution must be mixed with 40 L of a 50% solution to get a 40% solution?
A. 2 L
B. 20 L
C. 60 L
D. 6 L
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Use the unit circle to determine the value of the given expression or state that it is undefined.sin (24?)
A. undefined B. -1 C. 1 D. 0
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Solve.A partial map of a state in a road atlas covers a square area of 16,900 square miles. What is the length of each side of the square area?
A. 13 mi B. 169 mi C. 4225 mi D. 130 mi
Mathematics
Decide whether the perimeter or area would be used to solve a problem concerning the measure of the quantity.Measuring a room for baseboards
A. Area B. Perimeter
Mathematics