Solve the system by elimination. 6x + 4y = 30 4x + 2y = 20

A. ?
B. {(5, 0)}
C. {(5, 1)}
D. {(4, 1)}


Answer: B

Mathematics

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Solve.The side of a square equals the length of a rectangle. The width of the rectangle is 4 meters longer than its length. The sum of the areas of the square and the rectangle is 96 square centimeters. Find the side of the square.

A. 36 cm B. 2 cm C. 8 cm D. 6 cm

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What are the dimensions of a rectangle whose area is  square feet? ?

A.  ft by  ft
B. 1 ft by 24 ft
C.  ft by  ft
D.  ft by  ft
E. 6 ft by 4 ft

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Solve the problem.How many 5-card poker hands consisting of three 3's and two cards that are not 3's are possible in a  deck?

A. 2256 B. 5304 C. 2652 D. 4512

Mathematics

Solve using a proportion. Round your answer to the nearest hundredth when necessary.Ronny and Sara wanted to compare the gas mileage they were getting. One particular week, Ronny drove 90.1 miles on 3.2 gallons of gas. That same week, Sara drove 117.8 miles and used 3.9 gallons of gas. Whose car got more miles per gallon of gas?

A. Sara B. Ronny C. They both got the same.

Mathematics