Find the expected value.Four cards are numbered 1 through 4. Two of these cards are chosen at random without replacement and the numbers on them are multiplied. Find the expected value of this product.
A. 
B. 4
C. 6
D. 
Answer: D
Mathematics
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Perform the indicated operation and reduce the answer to lowest terms.
- 
+ 
A. - 
B. 
C. 
D. - 
Mathematics
How many small squares must be shaded to represent the given percentage of the large rectangle shown?80%
A. 51 B. 42 C. 48 D. 54
Mathematics
Solve the absolute value equation. 
= 9
A. x = 8 B. x = -21, 105 C. x = -10, 8 D. x = 105
Mathematics
Find the product.
A. 
B. Undefined
C. 
D. 
Mathematics