Simplify the product.-3(7m - 6)
A. 18m - 21
B. -21m + 18
C. -18m + 21
D. -21m - 18
Answer: B
Mathematics
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Provide an appropriate response. A basic relationship between the sine value of an angle and the cosine value of the same angle is given as (sin A)2 + (cos A)2 = 1. Determine sin A if cos A = 0.2588.
A. 0.7412 B. 0.9330 C. 0.8609 D. 0.9659
Mathematics
Convert the improper fraction to a mixed number.
A. 74
B. 74
C. 
D. 10
Mathematics
Subtract.691 - 21
A. 670 B. 660 C. 682 D. 770
Mathematics
Find the solution X for the matrix equation XA + XB =C.
A. X = C(A + B)-1 B. X = (A + B)-1 C C. none of these D. X = (B + A)-1 C E. X = C(B + A)-1
Mathematics