After a car left the a station for 4 kilometers, it advanced for an hour at an average speed of 40 km/h. find a functional relationship between the distance s (km) and the time 1 (hour) when the car left the station a. answer+explanation. thx : )

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Measures of the angle of r, 31 s (x+4) t (3x+9)

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.