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