Solve the equation.
= 5
A. {-25}
B. {10}
C. {5}
D. {25}
Answer: D
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r2 + 2r2 sin ? cos ? = 144
A. x2 + y2 = 144 B. x2 + 3y2 = 144 C. x + y = ±12 D. x + y = 12
Mathematics
Use a graphing calculator to solve the system. If 
is the solution to the system, give the value of 
.
?
?
A. 5
B. -1
C. 9
D. 11
E. 1
Mathematics
Solve the equation.3x = 
A. 
B. 
C. {-3}
D. {3}
Mathematics
Multiply and simplify.
A. 
B. 
C. 
D. 
Mathematics