Solve the problem.A chemist needs 120 milliliters of a 39% solution but has only 23% and 71% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 40 mL of 23%; 80 mL of 71%
B. 30 mL of 23%; 90 mL of 71%
C. 80 mL of 23%; 40 mL of 71%
D. 90 mL of 23%; 30 mL of 71%
Answer: C
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Decide where the first digit in the quotient would be located. Then without finishing the division, determine which of the three choices is the correct answer.
A. 4580 B. 458 C. 46
Find the domain and range of the function represented in the graph.
A. Domain: [-1, 1]; Range: [-?, 2?] B. Domain: [?, 2?]; Range: [-2, 0] C. Domain: [0, 2?]; Range: [0, 1] D. Domain: [-?, 2?]; Range: [-1, 1]
Match the system of inequalities with the appropriate graph.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 
The Adobe School District is hiring a vice principal and has interviewed four candidates: Alicia (A), Ben (B), Carmelia (C), and Diana (D). The hiring committee has indicated their preferences. (ACDB) (CBAD) (BCDA) (DBCA) 8 5 1 4 ? Determine who is the winner using the plurality method. Then suppose that Diana drops out of the running before the vote is taken. Do the results you obtain violate the irrelevant alternatives criterion? ?
A. Yes B. No