Solve.The sum of the areas of two square plots of land is 1768 m2 and the difference of their areas is 1120 m2. Find a length of a side of each plot.

A. 37 m;,20 m
B. 19 m; 56 m
C. 4.5 m; 38 m
D. 38 m; 18 m

Answer: D

Mathematics

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Solve the problem.A water tank can be filled in 7 min and emptied in 8 min. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?

A. 56 min
B. 3 min
C.  min
D.  min

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Mathematics

Find the slope of the line given the following graph.

A. m =  - 
B. m = - 
C. m = 
D. m = 

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Mathematics

Write the inequality using interval notation, and illustrate the inequality using the real number line.y < -6

A. [-?, -6]

B. (-?, -6]

C. [-?, -6)

D. (-?, -6)

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Mathematics

Write the equation that results in the desired transformation.The cubing function, vertically shrunk by a factor of 0.2

A. y = (x - 0.2)3
B. y = 0.2x3
C. y = 0.2
D. y = (x + 0.2)3

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Mathematics