Add.- 16.68 + (- 4.2)
A. -20.7
B. 12.48
C. -12.48
D. -20.88
Answer: D
Mathematics
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Convert the angle in radians to degrees.- 
A. -1° B. -45° C. 1° D. -45?°
Mathematics
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = 8 cos2 x
A. 16 cos x B. 4 + 4 cos 2x C. 1 + cos 2x D. 4 - 4 cos 2x
Mathematics
Find the specified minor and cofactor for the matrix A.M22 and A22 if A = 
A. M22 = 62 and A22 = -62 B. M22 = -57 and A22 = 57 C. M22 = -57 and A22 = -57 D. M22 = -62 and A22 = -62
Mathematics
Find the first five terms of the recursively defined sequence.a1 = 9, an+1 = 
A. 9, - 
, -9, - 
, -9
B. 9, - 
, - 
, - 
,- 
C. 9, - 
, 9, - 
, 9
D. 9, - 
, 
, - 
, 
Mathematics