Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Convert the angle in radians to degrees. Round to two decimal places.-7.81 radians
A. -447.48° B. -446.59° C. -0.08° D. -0.14°
Mathematics
Write a general term an for the sequence. Assume that n begins with 1.
, 
, 
, 
, . . .
A. an = n + 7
B. an = 
C. an = 
D. an = 
+ 7
Mathematics
Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, give the solution with y arbitrary.5x - 2y - 10 = 010x + y - 25 = 0
A. 
B. 
C. 
D. ?
Mathematics
Solve the equation.x3 - x = -5x2 + 5
A. - 5, 5 B. -1, 1, - 5 C. 25 D. 1, - 5, 5
Mathematics