Solve the equation.
- 
= 1
A. {3, -1}
B. {3}
C. ?
D. {-3, -1}
Answer: A
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Solve by using the Superposition Theorem:
R1 = 4.7 Kê, R2 = 3.3 Kê, R3 = 5.1 Kê, E1 = 40 V, and E2 = 20 V. Find VR .
3
a. 19.28 V
b. 20.46 V
c. 21.21 V
d. 32.81 V
e. 37.05 V
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. - 
B. 
C. - 
D. - 
A college needs two additional faculty members: a chemist and a statistician. In how many ways can these positions be filled if there are three applicants for the chemistry position and four applicants for the statistics position?
A. 10 B. 11 C. 16 D. 14 E. 12
Simplify and then, if appropriate, write in radical notation. (16k4m-8)1/4
A. 
B. 
C. 2km2
D. 4km2