Solve the problem.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 240 square centimeters. Find the side of the square.

A. 12 cm
B. 10 cm
C. 100 cm
D. 2 cm


Answer: B

Mathematics

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Answer the following question involving a conversion within the USCS system.If a horse ran 8 furlongs, how many yards did it run?

A. 42,240 yd B. 7040 yd C. 14,080 yd D. 1760 yd

Mathematics

Use the graph to find a ? > 0 such that for all x, 0 <  < ? ?  < ?.

A. 0.5 B. 0.05 C. 4 D. 0.1

Mathematics

Determine an expression for the instantaneous velocity of an object moving with rectilinear motion according to the function given, if s represents displacement in terms of time.s = 3 - 7t - 6t2

A. 3 - 12t B. -7 - 12t C. 3 + 12t D. -7 + 12t

Mathematics

Solve the problem.Solve the formula V = ?r2h + ?R2h for r by writing it in the form ar2 + br + c = 0 and then using the quadratic formula.

A. r = ± 
B. r = ± 
C. r = ± 
D. r = ± 

Mathematics