Solve the problem.How many liters of a 10% alcohol solution must be mixed with 70 liters of a 80% solution to get a 60% solution?
A. 28 L
B. 98 L
C. 9.8 L
D. 2.8 L
Answer: A
Mathematics
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Find the area.
A. 800 m2 B. 40 m2 C. 20 m2 D. 400 m2
Mathematics
Factor by grouping.16p2 - 17pq + q2
A. (16p - q)(p - q) B. (16p + q)(p - q) C. (16p2 - q)(1 - q) D. (17p - q)(p - q)
Mathematics
Solve.Find x so that x - 9, 2x - 13, and 5x - 29 are consecutive terms of an arithmetic sequence.
A. x = -3 B. x = 6 C. x = -7 D. x = -15
Mathematics
List the given numbers in order from least to greatest.0.96, -5, 6, -2
, 1
, -2.6
A. -5, -2.6, -2
, 0.96, 1
, 6
B. -5, -2
, -2.6, 0.96, 1
, 6
C. -5, -2
, -2.6, 1
, 0.96, 6
D. -5, -2.6, -2
, 1
, 0.96, 6
Mathematics