Who made a good choice answering the question Johnny/Dawn or none of them? Explain. Show your work.

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

It says factor each expression completely 8y+48

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?