If the y-and z-coordinates of an ordered triple are both
negative, then which statement must be true?
the point must be located behind the yz-plane.
the point must be located in front of the yz-plane.
the point must be located below the xy-plane.
the point must be located to the right of the xz-plane.

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?