What does a bar model look like if there are 336 cans in stacks of 8?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤