Choose the correct simplification of the expression 3b/a-2

3a^2b

Step-by-step explanation: I got it right on the test. :)

312 cube inches  

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

The image below represents three planters that are filled with soil. Find the total volume of soil in the three planters. Planter A is 14 inches by 3 inches by 4 inches. Planter B is 9 inches by 3 inches by 3 inches.  

Please have a look at the attached photo.  

My

=> the volume of planter A is:

V(A) = 14 inches * 3 inches * 4 inches

= 168 cube inches

=> the volume of planter B is:

V(B) = 9 inches * 3 inches *3 inches  

= 81 cube inches  

=> the volume of planter C is:

V (c) = 7 inches by 3 inches by 3 inches

= 63 cube inches  

Hence, the total volume of soil in the three planters is:

V(A)  + V(B) + V(C)

= 168 + 81 + 63

= 312 cube inches