I am doing math for my friend and forgot how to compute, how do i solve this problem? (1/4)³

Thank you so much
<3

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?

Which of the following scenarios demonstrates an exponential decay