Perform the indicated operations. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: C
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Subtract the polynomials. Express your answer in standard form.
- 
A. 
y2 + 
+ 7
B. 
y2 - 
y + 3
C. 
y2 - 
+ 7
D. 1y2 - 
y + 3
Use the figure below to answer the following question(s).
Which of the following [A), B), C) or D)] is not a path from vertex D to vertex A?
A. D, E, C, D, A B. D, C, A C. D, E, D, C, C, A D. D, C, C, A E. All of these are paths from D to A.
Solve the problem.The tables below show the times by three runners in two heats of a race. Write a matrix that shows the increase (decrease) in each time from the first heat to the second. 
A. 
B. 
C. 
D. 
Provide the proper response.Tell whether the statement is true or false. If it is false, give the correct answer. Explain your answer. The easiest way to simplify the expression 
is to multiply both the numerator and denominator of 
by 
.
What will be an ideal response?