Which set of parametric equations will produce the top half of a circle with a radius of 3?
A) x=2t, y= √9+4t^2
B) x=t, y= -√9-t^2
C) x=t, y= √9-t^2
D) x=2t, y= √9-t^2

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

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