Solve the problem.A rectangular garden measures 20 feet by 40 feet. The landscaping designed a concrete walkway to go around thisrectangular garden. In the diagram below, this concrete walkway is x feet wide. The entire concrete walkway covers 544 square feet in area. What is the width of x of this concrete walkway? 

A. 8 feet
B. 2 feet
C. 4 feet
D. There is not enough information given.


Answer: C

Mathematics

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Provide an appropriate response.What does the graph of the equation  look like?

A. The z-axis B. The y-axis C. The yz-plane D. The xy-plane

Mathematics

Find an equation for the line.

A. y = 2x - 9
B. y = 2x + 6
C. y = x + 
D. y = 2x + 7

Mathematics

Convert to decimal notation.6.65 × 10-4

A. 0.000665 B. 0.0000665 C. 0.00665 D. -665,000

Mathematics

Solve the problem.An open-top box is to be constructed from a 11 cm by 13 cm piece of cardboard by cutting out squares from each corner and folding up the sides as shown in the figure. Find a polynomial that represents the area of the bottom of the box in the accompanying figure. Find a polynomial that represents the volume of the box. 

A. Area of bottom: 4x2 - 46x - 132, Volume: 4x3 - 46x2 - 132x B. Area of bottom: 4x2 - 48x + 143, Volume: 4x3 - 48x2 + 143x C. Area of bottom: 4x2 - 46x + 132, Volume: 4x3 - 46x2 + 132x D. Area of bottom: 4x2 + 48x + 143, Volume: 4x3 + 48x2 + 143x

Mathematics