Solve the problem.Matthew has $2000 invested in the stock market. This amounts to 40% of his total savings. How much has Matthew saved?
A. $5000
B. $5010
C. $5100
D. $50,000
Answer: A
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
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Complete the blank with either ? or ? to make the statement true.-5 {5, 7, 9, ..., 17}
A. ? B. ?
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Solve the problem.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 4% cement should he mix with 5 bags of 18.4% cement to produce a mix containing 10% cement?
A. 17 bags B. 7 bags C. 9 bags D. 12 bags
Mathematics
Write an augmented matrix for the system of equations. 3x + 9z = 12 8y + 6z = 68 9x + 7y + 8z = 47
A. 
B. 
C. 
D. 
Mathematics