Simplify.(4 - 9)2
A. 65
B. -25
C. 25
D. -65
Answer: C
Mathematics
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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the natural numbers and the given set. Be sure to indicate the general correspondence.{1, 4, 9, 16, 25 ...}
A.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., n3, ... |
B.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., n4, ... |
C.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., 2n2, ... |
D.
| 1, | 2, | 3, | 4, | 5, ..., n, ... |
| ? | ? | ? | ? | ? | ? |
| 1, | 4, | 9, | 16, | 25, ..., n2, ... |
Mathematics
x3 + 2x2 + x + 2
A. (2x2 + 2)(x + 1) B. (x2 + 1)(x + 2) C. (x2 + 1)(2x + 2) D. (x2 + 2)(x + 1)
Mathematics
Use estimation to select the best response. Do not calculate. ? If your credit card balance is $952, you make a $50 payment, the APR is 12%, and the interest is calculated according to the previous balance method, then the finance charge is $ __________ (9.52; 9.02; 9.06).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Identify the radicand.xy2
A. xy2
B. 
C. x + 5
D. 
Mathematics