Perform the indicated operations. Be sure to simplify your answer.
- 
A. 
B. 
C. 
D. 9s - 9
Answer: A
Mathematics
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Write the equation of the circle that satisfies the following conditions. Express the final equation in the form x2 + y2 + Dx + Ey + F = 0.Center at the origin and r = 4
A. x2 + y2 = 0 B. x2 - y2 - 16 = 0 C. x2 - y2 + 16 = 0 D. x2 + y2 + 16 = 0 E. x2 + y2 - 16 = 0
Mathematics
Evaluate the determinant.
A. 102 B. 402 C. -258 D. -102
Mathematics
Round the number to the nearest ten, nearest hundred, and nearest thousand.62,379
A.
| Ten | 62,380 |
| Hundred | 62,370 |
| Thousand | 63,000 |
B.
| Ten | 62,380 |
| Hundred | 62,400 |
| Thousand | 62,000 |
C.
| Ten | 62,370 |
| Hundred | 62,300 |
| Thousand | 63,000 |
D.
| Ten | 62,370 |
| Hundred | 62,400 |
| Thousand | 62,390 |
Mathematics
Solve the equation.5(z + 2) - (4z - 6) = -7
A. 23 B. 9 C. 15 D. - 23
Mathematics