Simplify the expression. Assume that all variables are positive when they appear.

A. - 
B. -9
C. - 
D. -20


Answer: C

Mathematics

You might also like to view...

Provide an appropriate response.Use a graphing calculator to solve the equation 4x - 7 = 8x + 25.

A. -8 B. 0.375 C. 0 D. 8

Mathematics

Find the partial derivative.Let f(x, y) = 3x - 6y2 - 9. Find fx.

A. -12y B. -6 C. 3 D. 3x

Mathematics

Multiply.(3x - y)(3x + y)(9x2 + y2)

A. 81x4 - 36x2y2 + y4 B. 81x4 - y4 C. 81x4 + 36x2y2 - y4 D. 81x4 + y4

Mathematics

Determine the angle between the diagonal of a cube and the diagonal of its base, as shown in the figure, where . Round your answer to one decimal place. ? ?

A. 38.3o B. 36.3o C. 39.3o D. 35.3o E. 37.3o

Mathematics