Find the missing number to complete the linear equation that gives the rule for this table This is 7th grade accelerated math
Pls help ASAP this is due soon

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Me find the value of x each figure.

What is the volume of a cardboard box that measures 1 inch by 5 inches by 7 inches? the volume of the cardboard is cubic inches. enter your answer as the number that correctly fills in the blank in the previous sentence. if necessary, round your answer to the nearest tenth, like this: 42.5