Determine whether the vectors u and v are parallel, orthogonal, or neither. u=(5 4) v=(-10 9)

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

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it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540