Find the product.(4n + 3p)(5n + p)
A. 20n + 19np + 3p
B. 40n2 + 19np + 3p2
C. 20n2 + 60np + 3p2
D. 20n2 + 19np + 3p2
Answer: D
Mathematics
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Solve.A boat moves 28 km/h in still water. It travels 80 km upstream and 80 km downstream in a total time of 7 hours. What is the speed of the current?
A. 9 km/h B. 8 km/h C. 12 km/h D. 10 km/h
Mathematics
Use the order of operations to simplify the expression.
2
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.-4 ? 52
A. 100 B. -100 C. -400 D. 400
Mathematics
Provide an appropriate response.Explain why the expression cannot be simplified further.
- 
What will be an ideal response?
Mathematics