Joe walks on a treadmill at a constant rate. The equation below describes the relationship between t
t, the time he walks in hours, and
d
d, the distance he walks in miles.
d
=
4
t
d=4t
Which graph represents the relationship between the amount of time Joe walks and the distance he walks?

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.

For what values of x is x2 + 2x = 24 true?

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two