Find the exact value of the expression without using a calculator.sin  cos  - cos  sin 

A. 1
B.
C.
D.


Answer: B

Mathematics

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Determine if the given regular figures form a vertex figure.Square, two octagons

A. Yes B. No

Mathematics

By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 4 in. long and 4 in. wide, find the dimensions of the box that will yield the maximum volume. ?

What will be an ideal response?

Mathematics

Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.x + y + z= 7x - y + 2z=72x + 3z=14

A. {(-  + 7, , z)}
B. {(-  - 7, , z)}
C. {(-  - 7, 2z, z)}
D. {(-  + 7, 2z, z)}

Mathematics

Solve.8p = 7(3p + 2)

A. -  
B.
C.  
D.  

Mathematics