Express using positive exponents. Then simplify.4-3
A. 64
B. 
C. -64
D. 
Answer: D
Mathematics
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Solve below
If E = 9 V and VR = 3 V, what is VR ?
2 1
a. 12 V
b. 9 V
c. 6 V
d. 4.5 V
e. 3 V
Mathematics
Find the product and write the answer in simplest form. Assume variables represent nonnegative values.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(-4, 9)} B. {(-3, 8)} C. no solution; ? D. {(3, 9)}
Mathematics
Simplify the fraction to lowest terms.
A. 
B. 
C. 
D. 
Mathematics