Sophia trains with her friend Aisha on a 5-kilometer trail near their school. Aisha starts running right after school and runs an average of one kilometer in seven minutes. Sophia leaves 10 minutes later and runs at a steady pace shown in the table below. Write each function as a linear equation where x is the number of kilometers and y is the number of minutes. Who runs faster? Explain.

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

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.