Evaluate the expression for the given replacement values.(7x - yz)4  for x = 2, y = 6, z = 3

A. 256
B. 648
C. -16
D. 331,776


Answer: A

Mathematics

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Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.

A.
B.
C.
D. 3

Mathematics

Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circleif the density of the wire is 

A.  = 5?,  = 5?
B.  = ?,  = ?
C.  = ?,  = ?
D.  = 0,  = ?

Mathematics

Find the missing parts of the triangle.B = 20.9°C = 104.7°b = 22.73

A. A = 54.4°, a = 53.81, c = 63.63 B. A = 52.4°, a = 63.63, c = 53.81 C. A = 52.4°, a = 61.63, c = 51.81 D. A = 54.4°, a = 51.81, c = 61.63

Mathematics

Determine whether the graph is that of a function. If it is, use the graph to find its domain and range, the intercepts, if any, and any symmetry with respect to the x-axis, the y-axis, or the origin.

A. function domain: {x|-1 ? x ? 1} range: all real numbers intercepts: (-1, 0), (1, 0) symmetry: x-axis, y-axis B. function domain: {x|x ? -1 or x ? 1} range: all real numbers intercepts: (-1, 0), (1, 0) symmetry: x-axis, y-axis, origin C. function domain: all real numbers range: {y|y ? -1 or y ? 1} intercepts: (-1, 0), (1, 0) symmetry: y-axis D. not a function

Mathematics