Neptune's average distance from the Sun is 4.503 *10^9 km. Mercury's average distance from the Sun is 5.791⋅10^7 km. About how many times farther from the Sun is Neptune than Mercury? Answer in scientific notation.

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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.