Please help! This is geometry chapter 7 (refer to the picture) thank you so much!​

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

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

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply