Translate the problem to a system of equations, then solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 82 inches. The sum of the two longer pieces is 70. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
A. 6, 12, and 64 inches
B. 12, 24, and 46 inches
C. 12, 46, and 56 inches
D. No solution
Answer: B
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Solve the problem.Meike earned $1565 in tips while working a summer job at a coffee shop. She wants to use this money to take a trip to Europe next summer. If she places the money in an account which pays 6.5% compounded continuously, how much money will she have in nine months?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.How many different 5-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once?
A. 126 B. 15,120 C. 5 D. 59,049
The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
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A. 
B. ?
C. ?
D. ?
E. ?
Graph the system of inequalities, and find the coordinates of the vertices.2x + y ? 4 x - 1 ? 0
A. 
B. 
C. 
D. 