Solve the problem.Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, V, in volts, and the impedance of the circuit, Z, in ohms, by the formula 
Find V, the voltage of a circuit, if I = (9 + 8i) amperes and Z = (5 + 4i) ohms.
A. (13 - 76i) volts
B. (76 + 13i) volts
C. (13 + 76i) volts
D. (76 - 13i) volts
Answer: C
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Make a sketch of the population function (as a function of time) that results from the given growth rate function. Assume the population at time t = 0 begins at some positive value.
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest unit.23 is 7% of what?
A. 33 B. 329 C. 161 D. 3,290
An algebraic expression is given. Use the expression to answer the following questions. a) How many terms are there in the algebraic expression? b) What is the numerical coefficient of the first term? c) What is the constant term? d) Does the algebraic expression contain like terms? If so, what are the like terms?3y + 1 + 7x
A. a) 3 b) 3 c) 1 d) yes, 3y and 7x B. a) 3 b) 3 c) 1 d) no C. a) 2 b) 3 c) 1 d) no D. a) 3 b) 7 c) 1 d) no
Factor by grouping.15x2 + 18x - 20x - 24
A. (3x + 4)(5x - 6) B. (15x - 4)(x + 6) C. (15x + 4)(x - 6) D. (3x - 4)(5x + 6)