Suppose there is a simple index of two stocks - stock a and stock b. stock a
opens on monday with 5000 shares at $4.50 per share. stock b opens on
monday with 2500 shares at $7.25 per share. stock a opens on tuesday at
$5.10 per share, and stock b opens on tuesday at $7.45 per share. both
stocks have the same number of shares that they opened with on monday.
what is the rate of change of this simple index over 1 day?
a. -8.6%
b. 7.5%
c. -7.5%
d. 8.6%

The equation of a circle is (x - 3)2 + (y - 7)2 = 25. determine the length of the radius. 4 25 12.5 5 write the standard equation of the circle with center (2, 3) and a diameter of 12. (x - 2)2 + (y - 3)2 = 36 (x + 2)2 + (y + 3)2 = 12 (x - 2)2 + (y - 3)2 = 6 (x - 3)2 + (y - 2)2 = 36 the equation of a circle is (x + 3)2 + (y + 7)2 = 25. where is (3, 4) located in relation to the circle? on the circle in the interior of the circle in the exterior of the circle at the center of the circle

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Which of the following statements are true about the graph of f (x) = 1/4 coz ( x + π/3) - 1? select two of the following that apply.