Simplify the expression by combining like terms.6x3 + 4x3

A. 9x3
B. 10x3
C. 10x9
D. 10x6


Answer: B

Mathematics

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Find the area enclosed by the given curves.y = sin x, y = csc 2 x,  ? x ? 

A. 1 - 
B.  - 
C.  + 
D.  - 

Mathematics

Use the row reduction algorithm to transform the matrix into echelon form or reduced echelon form as indicated.Find the reduced echelon form of the given matrix. 

A.

B.

C.

D.

Mathematics

For the pair of similar triangles, find the missing side n. Round to the nearest tenth when necessary.

A. n = 5 m B. n = 15 m C. n = 7 m D. n = 10 m

Mathematics

Solve the equation.-2x = -16

A. 2 B. 14 C. 8 D. -14

Mathematics