Me. wilson is purchasing two trucks for his moving business. The cost of the first truck is $14,258. The digit 5 in the second truck is one hundred times larger than the value of the digit 5 in the cost of the first truck. Which amount could be cost of the second truck? A) $51,134
B) $14,573
C) $15,246
D) $14,451

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Is a positive integer raised to a negative power always positive