Solve.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and when the current flowing
through the resistor is 
A. 72 volts
B. 36 volts
C. 24 volts
D. 54 volts
Answer: B
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Evaluate or simplify the expression without using a calculator.ln 1
A. -1 B. 1 C. e D. 0
Find the reciprocal.3
A. 
B. -3
C. 
D. The number 3 has no reciprocal.
Solve.The number of employees that work at a company has increased by 35% over the past year. This year there are 763 more employees with the company than last year. How many employees were there last year?
A. 2180 employees B. 21.8 employees C. 1417 employees D. 26,705 employees
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.12x-6
A. Monomial; variable x; coefficient 12; degree 6 B. Monomial; variable x; coefficient 6; degree 12 C. Monomial; variable x; coefficient 12; degree -6 D. Not a monomial