Solve the inequality, and graph the solution set.
< 0
A. (-?, -7)
B. (-?, -7) or (3, ?)
C. (-7, 3)
D. (3, ?)
Answer: C
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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 
when the current
flowing through the resistor is 
A. 35 volts
B. 40 volts
C. 63 volts
D. 45 volts
Solve the problem.Mardi received an inheritance of $50,000. She invested part of it at 12% and the rest at 11%. Her total annual income from the investments was $5900. Find the amount invested at 12%.
A. $40,000 B. $44,100 C. $20,000 D. $39,000
Find the indicated trigonometric ratios.
Find sin B and cos B.
A. sin B = 
; cos B = 
B. sin B = 
; cos B = 
C. sin B = 
; cos B = 
D. sin B = 
; cos B = 
Evaluate.62 + 22
A. 16 B. 40 C. 32 D. 64