Was 1. let w be the subset of r^2 defined by w r. y): xy - 0). (note that one can visualize the union of the x-axis and y-axis in the xy plane.) determine whether wis a subspace of r explain your answer. x-axis and y-axis in the xy plane.) determine whether w is a subspace of r

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.