2x+y+4z=16
5x-2y+2z=-1
X+2y-3z=-9

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Witch represents the inverse of the function f(x)=1/4x-12