Solve by the addition method.x2 + y2 = 89x2 - y2 = 39
A. (8, 5), (5, 8), (-8, -5), (-5, -8)
B. (-8, -5), (-5, -8)
C. (8, -5), (8, 5)
D. (8, 5), (-8, 5), (8, -5), (-8, -5)
Answer: D
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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, 5, 9, 13, 17, ...}
A.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
B.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
C.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
D.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
Provide an appropriate response.Rewrite as an exponential equation: log6 
= -2
A. 636 = -2
B. 
= 6
C. 6-2= 
D. -26 = 
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. z = 9 B. z = -9 C. z = 0 D. Defined for all real numbers
Without actually converting, choose the most reasonable answer.A dinner plate has a diameter of about __________.
A. 26 m B. 26 cm C. 26 g D. 26 km