Perform the indicated operations. Write the resulting polynomial in standard form.(6x4 + 8x3 - 5x2 + 5) - (2x4 + 3x3 - 7x2 - 6)
A. 8x4 + 11x3 - 12x2 - 1
B. 4x4 + 5x3 + 2x2 + 11
C. 8x4 + 11x3 - 12x2 + 11
D. 4x4 + 11x3 - 12x2 - 1
Answer: B
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Describe a one-to-one correspondence between the given set and one of its proper subsets. For example, if we gave you the set {3, 5, 7, 9, 11, ...}, the nth term is 2n +1. You could then write the correspondence by matching the elements of {3, 5, 7, 9, 11, ...} with the elements of the subset {5, 7, 9, 11, 13, ...}. The general correspondence would match 2n + 1 with 2n + 3.{6, 8, 10, 12, ...}
A.
| 6, | 8, | 10, | 12, ..., | 2n + 8, | ... |
| ? | ? | ? | ? | ? |
| 8, | 10, | 12, | 14, ..., | 2n + 6, | ... |
B.
| 6, | 8, | 10, | 12, ..., | 2n + 5, | ... |
| ? | ? | ? | ? | ? |
| 8, | 10, | 12, | 14, ..., | 2n + 7, | ... |
C.
| 6, | 8, | 10, | 12, ..., | 2n + 4, | ... |
| ? | ? | ? | ? | ? |
| 8, | 10, | 12, | 14, ..., | 2n + 6, | ... |
D.
| 6, | 8, | 10, | 12, ..., | 2n + 4, | ... |
| ? | ? | ? | ? | ? |
| 7, | 9, | 11, | 13, ..., | 2n + 6, | ... |
Multiply.4 ? 500
A. 2500 B. 504 C. 1500 D. 2000
Find the requested average, and round your answer as indicated.The table below shows the square footage of homes of a group of families. Find the average square footage and round to the nearest tenth. 
A. 7960.0 square feet B. 15,929.0 square feet C. 9986.3 square feet D. 9986.4 square feet
State whether the given measurements determine zero, one, or two triangles.A = 58°, a = 25, b = 28
A. One B. Two C. Zero