Solve the system by the addition method.
A. {(4, 5), (-4, 5), (4, -5), (-4, -5)}
B. {(4, 5), (-4, -5)}
C. {(5, 4), (-5, -4)}
D. {(5, 4), (5, -4), (-5, 4), (-5, -4)}
Answer: D
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Use scientific notation to perform the following operations. Leave your answer in scientific notation form.(2 × 108)(5 × 10-5)
A. 1.0 × 103 B. 1.0 × 104 C. 1.0 × 102 D. 0.0
Add.53.38 + 79.09 + 39.154
A. 171.634 B. 171.624 C. 172.624 D. 171.724
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.0
A. integers, real B. whole, integers, rational, real C. whole, real D. rational, real
Write the equation of the circle with the given center and radius.center (1, 0), radius 
A. x2 + (y - 1)2 = 100
B. (x + 1)2 + y2 = 10
C. (x - 1)2 + y2 = 
D. (x - 1)2 + y2 = 10