Solve the application.You are varnishing the background for a rectangular mural. The length of the mural is 5 meters and the width of the mural is 3 meters. If one can of varnish will cover 10 m2 of surface, how many cans of varnish must be purchased to cover the entire background? (Use A = lw, where A is the area, l is the length, and w is the width.)

A. 17 cans of varnish
B. 2 cans of varnish
C. 4 cans of varnish
D. 7 cans of varnish


Answer: B

Mathematics

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Use unit ratios or conversion factors to change to the units indicated. Round to the nearest tenth, if necessary.5.5 ft to centimeters

A. 14.0 cm B. 165.0 cm C. 139.7 cm D. 216.5 cm

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Convert. When necessary, round the answer to two decimal places.12 miles = _____ yards

A.  
B. 21,120
C. 63,360
D. 12,000

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Provide an appropriate response.Explain in your own words how to multiply rational expressions. (How would you explain this to a student in this class who was absent from class?).

What will be an ideal response?

Mathematics