Multiply.-3.26 ? (-3)

A. 9.78
B. 6.26
C. 0.26
D. -6.26


Answer: A

Mathematics

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Solve.Find an equivalent expression for cos3 x in terms of function values of x, 2x, or 3x, raised only to the first power.

A.  cos x +  cos 3x
B.  cos x -  cos 3x - cos 2x
C.  cos x +  cos 3x + cos 2x
D.  cos x -  cos 3x

Mathematics

Find the indicated coordinates.The coordinates of the endpoints of one side of a square are (3, -4) and  Find the coordinates of the other two vertices.

A. (3, 6) and (-7, 6) B. (3, -11) and (-7, -11) C. (3, -14) and (-7, -14) D. (3, -14) and (-7, -14); or (3, 6) and (-7, 6)

Mathematics

Find the flux of the vector field F across the surface S in the indicated direction.F = zk , S is the surface of the sphere x2 + y2 + z2 = 4 in the first octant , direction away from the origin

A. 0
B. 2?
C. ?
D. ?

Mathematics

Add or subtract. Express the answer as a mixed number.19 + 20

A. 40
B. 19
C. 38
D. 39

Mathematics