Match the system of inequalities with one of the graphs.x2 + y2 < 4 y ? 1
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the angle between the given vectors to the nearest tenth of a degree.u = i + 
j, v = -i - 2j
A. 132.7° B. 174.1° C. 161.6° D. 120.9°
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log6 
A. 
log6 x - 
log6 y + 
B. 
log6 x + 
log6 y - 
C. 
(log6 x5y - log6 36)
D. 
(log6 x5 + log6 y - 2)
Mathematics
Solve the problem.Use Ohm's Law, I = 
, to find the voltage V, given current 
and impedance 
A. 19(cos 100° + i sin 20°) B. 60(cos 120° + i sin 120°) C. 60(cos 20° + i sin 10°) D. 19(cos 120° + i sin 120°)
Mathematics
Find x and y.
= 
A. x = 5, y = 7 B. x = 8, y = -5 C. x = -5, y = 9 D. x = 5, y = -9
Mathematics