Evaluate the sum: 
a. 28
b. 5
c. 2
d. 56
a. 28
Mathematics
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Determine if the given polar coordinates represent the same point.(2, ?/6), (-2, 7?/6)
A. No B. Yes
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Change the numbers to their percent equivalents. Round to the nearest tenth of a percent.
A. 13.3% B. 2% C. 20% D. 150%
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Solve the equation.r(r - 4) = -4
A. {2, -2} B. {2} C. {4, 2} D. {-2}
Mathematics
Solve the system by the substitution method.y = x2 - 13x2 + y2 = 25
A. {(-3, -4), (3, -4)} B. {(-4, 3), (-3, -4), (3, -4), (4, 3)} C. {(9, 68), (16, 243)} D. {(-4, 3), (4, 3)}
Mathematics