Lines c and d are perpendicular. if the slope of line c is -4, what is the slope of line d?

Iwill give you ! what is the measure of ∠v ?

What is the x-intercept and y-intercept of the equation 2x+1. 2o

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?