Find the sum.
+ 5k + 16)
A. 
+ 16n
B. 
+ 16n
C. 
+ 
+ 16n
D. 
+ 
Answer: C
Mathematics
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Multiply.(x2 + 4y2 - xy)(x2 + 3xy + y2)
A. x4 + 4x3y + 2x2y2 + 11xy3 - 4y4 B. x4 + 2x3y + 2x2y2 + 11xy3 + 4y4 C. x4 + 4x3y + 8x2y2 + 11xy3 + 4y4 D. x4 + 2x3y + 2x2y2 + 13xy3 - 4y4
Mathematics
Use the properties of exponents to simplify the expression. Write with positive exponents.3x-2/5(x11/5 - 7x)
A. 3x9/5 - 21x3/5
B. 3x9/5 + 7x-2/5
C. 
- 
D. 3x-22/5 - 21x-2/5
Mathematics
Solve. Write a mixed numeral for the answer.Peter must practice the piano 10
hours per week. He has already practiced 2
hours. How many more hours does he need to practice?
A. 7 hr
B. 6
hr
C. 7
hr
D. 8
hr
Mathematics
Construct a probability model for the experiment.Rolling a 6-sided fair die twice
What will be an ideal response?
Mathematics