Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Answer: D
Mathematics
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Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 
A. - 
B. 
C. - 
D. 
Mathematics
Find the requested probability.A box contains the eleven letters, MISSISSIPPI. Four letters are drawn one by one with replacement and recorded in order. What is the probability that the outcome is SIPS?
A. 
B. 
C. 
D. 
Mathematics
Use the square root property to solve the equation.(x - 4)2 = 19
A. 
- 
B. 
+ 4
C. -4 ± 
D. 4 ± 
Mathematics
Solve the system of equations by either the addition method or the substitution method.
A. (9.6, -18) B. (-18, 9.6) C. infinite number of solutions D. no solution
Mathematics