Find the indicated sum.
A. 98
B. 49
C. 63
D. 35
Answer: A
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Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.
= 
+ 4
A. Identity B. Conditional equation C. Inconsistent equation
Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
A. -20,247 B. -20,475 C. -20,702 D. -20,470
A shipment contains 25 defective items and 100 nondefective items. Two items are randomly chosen in succession without replacement. Find the probability that both items are defective.
A. 
B. 
C. 
D. 
E. none of these
Indicate to which set(s) the number belongs from the following choices: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. The numbers may belong to more than one set.0
A. whole numbers, real numbers B. integers, real numbers C. whole numbers, integers, rational numbers, real numbers D. rational numbers, real numbers