Domain range
2 6
5 7
6 9
6 10

is this a function?

Sara bought a pair of pants that were on sale for 30 percent off of the original price. if the original price of the pants was $29, what was the sales price of the pants?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.