Find the mean of the list of data.75, 85, 61, 81, 58
A. 75
B. 60
C. 72
D. 85
Answer: C
Mathematics
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How many rows and columns has the matrix 4 × 7? ?
A. 7 rows, 7 columns B. 7 rows, 4 columns C. 4 rows, 7 columns D. 4 rows, 4 columns E. 28 rows, 28 columns
Mathematics
Solve.The half-life of silicon-32 is 710 years. If 30 grams is present now, how much will be present in 300 years? (Round your answer to three decimal places.)
A. 22.383 B. 29.134 C. 0 D. 1.604
Mathematics
Divide.
A. x2 - 4x + 16 B. x2 - 16x + 4 C. x2 - 4 D. x2 + 16
Mathematics
Write the pair of rational expressions in terms of their LCD.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics