Factor completely.8a4b - 50b3
A. 2b(2a2 + 5b)(2a2 - 5b)
B. Prime
C. 2b(2a + 5b)2
D. 2b(2a - 5b)2
Answer: A
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Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, E, in volts, and the resistance of the circuit, R, in ohms, by the formula 
Solve the problem using this formula.Find E, the voltage of a circuit, if I = (18 + i) amperes and R = (3 + 2i) ohms.
A. (52 - 39i) volts B. (18 - 39i) volts C. (18 + 39i) volts D. (52 + 39i) volts
Find the sum.60 + 60
A. 120 B. 121 C. 119 D. 122
Provide an appropriate response.Given a normal distribution, what is the probability that a given value is not below the mean?
Fill in the blank(s) with the appropriate word(s).
Simplify the expression.cos x (csc x - sec x) - cot x
A. 1 B. 0 C. -1 D. cos2x - tan2x