Simplify the following rational expression. 27 – 3x2
7x2 63
Which values of 2 make the expression undefined?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

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

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?