For the given perimeter of the square, find the length of one side.A square family room with a perimeter of 80 feet.

A. 19 feet
B. 22 feet
C. 40 feet
D. 20 feet


Answer: D

Mathematics

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Graph each system of inequalities and shade the portion of the graph represented by the solution set..

A.

B.

C.

D.

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Provide an appropriate response.Divide and simplify: 

Fill in the blank(s) with the appropriate word(s).

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Find the direction angles of the vector. Round to the nearest degree, if necessary.v = -4i + 3j - 2k

A. ? = 138°, ? = 56°, ? = 112° B. ? = 140°, ? = 55°, ? = 113° C. ? = 147°, ? = 51°, ? = 115° D. ? = 166°, ? = 43°, ? = 119°

Mathematics

Simplify, leaving exponents in the answer.

A. 812
B.
C. 816 - 84
D. 84

Mathematics