If you have a problem with multiple sets of groupings (brackets, braces, or parentheses) what is the correct order to solve them?

Pls I need to know asap

Most animals give birth during a general time of year. this is because animals naturally breed so that their young will be born at the time of year when there will be adequate food supply. the bar graph shows the number of live births of a jackrabbit native to california over the course of year x. based on the data, which of the following would be an appropriate conclusion? a) in general, rabbits give birth during the spring months b) in general, rabbits give birth during the summer months c) in general, m california jackrabbits give birth during the spring months d) in general, california jackrabbits give birth during the summer months

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?