Change the measurements on this scale drawing to decimals and round them to the nearest tenth of an inch.  a 4 in.  b  in.  c  in.  d  in.  e 2

src="https://sciemce.com/media/4/ppg__tttt0618191158__f1q39g6.jpg" style="vertical-align: -17.0px;" /> in.  length a is:  

A. 4.7 in.
B. 4.4 in.
C. 4.5 in.
D. 4.6 in.

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Answer: D

Mathematics

Simplify the expression.

A.
B.
C.
D. Cannot be simplified

Provide an appropriate response.The dual of Minimize  Z = x1 + 3x2 subject tox1 - 2x2 ?43x1 + x2 ?1x1, x2 ?0is:

A. Maximize W = 4y1 + y2 subject to y1 + 3y2 ? 1; - 2y1 + y2 ? 3; y1, y2 ? 0. B. Maximize W = 4y1 + y2 subject to y1 - 2y2 ? 1; 3y1 + y2 ? 3; y1, y2, ? 0. C. Maximize W = y1 + 3y2 subject to y1 + 3y2 ? 4; - 2y1 + y2 ? 1; y1, y2 ? 0. D. Maximize W = y1 + 3y2 subject to y1 - 2y2 ? 4; 3y1 + y2 ? 1; y1, y2 ? 0. E. Maximize W = 4y1 + y2 subject to y1 + 3y2 ? 1; - 2y1 + y2 ? 3; y1, y2 ? 0.

Complete the identity. = ?

A.
B.
C.
D.

Write the phrase as a variable expression. Use x to represent "a number."The quotient of a number and 6, decreased by 9

A.  - 9
B.  - 9
C.  
D.