Ben made a model (shown below) of the square pyramid he plans to build when he grows up. find the surface area of the model.

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

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?