Which equation models the trend line? y = –1.3x + 2
y = 1.3x + 2
y = –1.3x – 2
y = 1.3x – 2

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.