Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.641/3
A. 12
B. 768
C. 256
D. 4
Answer: D
Mathematics
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Graph the parabola and its vertex, focus, and directrix.x2 = -8y
A. 
B. 
C. 
D. 
Mathematics
Express as a single logarithm.logb x - logb y
A. logb 
B. log2b 
C. logb 
D. logb x - y
Mathematics
Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. -6p
C. 3p2
D. - 
Mathematics
In the series circuit below, XL = 5.9 Kê and R = 10 Kê. Find the angle that the voltage leads the current.
a. -30.5ø
b. 59.5ø
c. -59.5ø
d. 30.5ø
e. 49.5ø
Mathematics