Four, two-person tennis teams played tennis matches. ivan collected the number of points won by both players on each team and

arranged the information into matrices as shown.

team 4

player a: a-

team 1

38

team 2 team 3

42 21

team 1 team 2 team 3 team

player b: b- 22

42 40

consider the total number of points played by each tennis team. how many teams won 60 points or less?

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −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?