2.how are the graphs y=x^2 and y=x^2-3 related? 3.find the equation of the axis of symmetry for f(x)=x^2+4x-5. i really need i have more problems can someone ? ?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar