If each side of a cube is 4cm find its volume

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?