Simplify. 12 – 9 / 3
A) 1
B) 9
C) 6
D) 15
E) 8
B) 9
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Solve the problem by integration.Under specified conditions, the time t (in min) required to form x grams of a substance during a chemical reaction is given by 
Find the equation relating t and x if x = 0 g when 
A. t = 
ln 
- 
ln 
B. t = 
ln 
+ 
ln 
C. t = 
ln 
+ 
ln 
D. t = 
ln 
- 
ln 
Solve the following system of equations by substitution. If both variables cancel out, state the solution as no solution or infinitely many solutions.y = 2x - 24x + y = -2
A. (-2, 0) B. (-2, 6) C. (0, -2) D. (-1, -4)
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.Show that the statement "
is a prime number" is true for 
, but is not true for 
.
What will be an ideal response?
Write the sentence as a mathematical statement.Thirty-nine is not equal to negative thirty-nine.
A. 39 = -39 B. 39 ? -39 C. 39 ? -39 D. 39 ? -39