The radius of a bulls-eye of the dash board is 8 inches. the radius of each concentric circle (there are 4 labeled a, b,c, d from the inside out) is 14 inches more than the radius of the circle inside it. if a dart lands at a random on the dartboard, the probability that the dart will hit in the area c is what percent?

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?

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Acourgette seed and a pumpkin seed is planted p(courgette seed germinates) 4/5 and p(pumpkin seed germinates) = 1/6 what is the probability that both seds germinate