Mark went to an electronic store, purchased 2 cds and 6 dvds, and spent $156. antonio went to the same store, bought 1 cd and 9 dvds, and spent $210. how much does each cd sell for at the store? $12
$15
$18
$22

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.