A landscape contractor is hired to cultivate ornamental Plants in three new residential developments. The contrsctor charges the developer for each tree cultivated, an hourly rate to cultivate the ornamental plants, and a fixed delivery charge. In one development it took 211 labour hours to cultivate 244 ornamental plants for a cost of $9394. In  second development it took 128 labour hours to cultivate 283 ornamental plants for a cost of $8270. In the final devolopment ir took 165 labour hours to cultivate 386 ornamental plants for  a cost of $10938. In total 504 labour hours were taken and 913 ornamental plants were cultivated. Using cramer's rule of the inverse method, determine the cost for each tree, the hourly labour charge and the delivery charge.

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.