Solve the system of equations by substitution.5x + 3y = 802x + y = 30
A. (10, 0)
B. (10, 10)
C. (-10, 10)
D. (0, 10)
Answer: B
Mathematics
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A. -4i
B. -4i
C. 4i
D. 4
- 4i
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A. 370
B. 185
C. 
D. 555
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Evaluate the factorial expression.
A. 720 B. 3 C. 84 D. 168
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Provide an appropriate response.A markup rate of 35% based on sales price converts to a 45% markup rate based on cost.
A. True B. False
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