Simplify the expression.
?
?
??
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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A water source is contaminated with a toxic chemical and is being cleaned. The amount of chemical, in grams, remaining t hours after the cleaning process began is given by
?
.
?
How much of the chemical is removed from time 
to time 
?
?
A. 361.43 grams
B. 4.17 grams
C. 24.34 grams
D. 19.99 grams
Mathematics
Provide an appropriate response.Explain what is represented by the area and perimeter of a shape.
What will be an ideal response?
Mathematics
Simplify the expression.3x + 1 + 7x + 12
A. 10x + 13 B. 21x + 13 C. 20x D. 10x
Mathematics
List all numbers from the given set that are members of the given Real Number subset.{13, 
, -24, 0, 0.
, 
} Natural numbers
A. 13
B. 13, 0
C. 13, 
D. 13, 0, 
Mathematics