A line's y-intercept is 9, and its slope is 7. What is its equation in slope-intercept form? Write your answer using integers, proper fractions, and improper fractions in simplest form.

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?

How are algebraic expressions evaluated using substitution?

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.