Suppose that the sum of the three vectors u, v, and w shown in the figure is the zero vector. If |w|=140, find |u| and |v|. Carry your intermediate computations to at least 4 decimal places. Round your answers to the nearest tenth.

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?