Solve the equation.3
+ 2
- 9 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Test the polar equation for symmetry with respect to the polar axis, the pole, and the line ? = ? / 2. r² = cos 2?
What will be an ideal response?
Mathematics
Solve.The current in amps I drawn by an appliance in the home can be approximated using the formula I = 
,where P is the power measured in watts and R is the resistance measured in ohms. What is the current I if 
watts and 
(Round to three decimal places, if necessary.)
A. 21.213 amps B. 7.942 amps C. 8.944 amps D. 6.708 amps
Mathematics
Solve the system by substitution.x - 8y = 9 x = 9y
A. 
B. {(9, 81)}
C. {(-81, -9)}
D. {(81, 9)}
Mathematics
The information in the figure
Mathematics