Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
-2
A. - 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the system of equations by the substitution method.
A. (-3, 10) B. (2, 10) C. (-2, 9) D. no solution
Mathematics
Provide an appropriate response.Are two equilateral triangles always similar? Explain why or why not.
What will be an ideal response?
Mathematics
Round the following to the nearest ten, nearest hundred, and nearest thousand.70,255
A.
| Ten | 70,250 |
| Hundred | 70,300 |
| Thousand | 70,270 |
B.
| Ten | 70,260 |
| Hundred | 70,300 |
| Thousand | 70,000 |
C.
| Ten | 70,260 |
| Hundred | 70,250 |
| Thousand | 71,000 |
D.
| Ten | 70,250 |
| Hundred | 70,200 |
| Thousand | 71,000 |
Mathematics
For the polynomial, one zero is given. Find all others.P(x) = x4 - 10x3 + 23x2 - 10x + 22; i
A. -i, -5 + 
, -5 - 
B. -i, 5 + 2
, 5 - 2
C. -i, 1 + 
, 1 - 
D. -i, 5 + 
, 5 - 
Mathematics