3. Which of the following are isometries (rigid motions)? (Choose all that apply) (2 points) a) G (x, y) > (x - 2, y - 2)
b) H (x, y) > (-y, x)
c) H (x, y) > (x , 4y)
d) D (x, y) ---> (3x, 3y)
e) D (x, y) ---> (x + 42, y + 12)

Will mark brainliest26. which of these statements are true? (3 points)a. gases are compressibleb. gases fill their containers completelyc. the pressure of a gas is independent of the temperatured. gases have masse. gases exert pressuref. the pressure of a gas is dependent on the volumeg. gas pressure results from the collisions between gas particlesh. gases have a definite volume and shape

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes