Pls help!

Which of the following elements would be found in the LOWEST amounts in both the cell wall and cell membrane?

A. carbon
B. phosphorus
C. hydrogen
D. sodium

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

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.