Find the value of each variable.
a. a =10 square root of 3, b=5, c=15, d= 5 square root 3
b. a=10 square root of 3, b=5 square root 3, c=15, d=5 square root 3
c. a=10 square root of 2, b=5 square root 2, c=15, d=5
d. a =10 square root of 3, b=5 square root 3, c=15, d=5

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?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?