Raquel works in a pet store every day after school and sometimes on weekends. she earns $5.20 per hour. if raquel works 21 hours a week, use front-end estimation to find out about how much she will earn in four weeks. a. $360 b. $400 c. $480 d. $520

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}.