Provide an appropriate response.(25 × 12) × 14 = 420025(12 × 14) = 4200This is an example of the 
.
A. commutative property of multiplication
B. associative property of multiplication
C. commutative property of addition
D. associative property of addition
Answer: B
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The concentration D of a drug, in milligrams per deciliter, in the blood t hours after an injection is given by 
. What is the eventual concentration of the drug in the blood?
A. About 4.07 milligrams per deciliter B. About 8.68 milligrams per deciliter C. About 4.61 milligrams per deciliter D. 0 milligrams per deciliter
Use an Euler diagram to determine whether the syllogism is valid or invalid.Some TV shows are comedies.All comedies are hits. ? Some TV shows are hits.
A. Valid B. Invalid
Provide an appropriate response.True or False? The difference of two irrational numbers is always irrational.
A. True B. False
Graph the function.y = 3 cos 
x
A. 
B. 
C. 
D. 