goals

If $$n$$ represents an odd integer, which of the following must be even integers?

$$2n,3n,3n+1,3n-5,4n+1$$

$$2n,3n,3n+1,3n-5,4n+1$$

How many multiples of $$3$$ are between $$23$$ and $$82$$?

The largest integer that divides product of any four consecutive integers is

If $$k$$ represents an integer, which of the following must be even integers?

$$2k,2k+6,\cfrac { 8k }{ 4 } ,3k+5,2k-1$$

$$2k,2k+6,\cfrac { 8k }{ 4 } ,3k+5,2k-1$$

Perform the indicated operations and simplify your answers to simplest form.

$$\cfrac{2}{15}+\cfrac{2}{3}=$$

$$\cfrac{2}{15}+\cfrac{2}{3}=$$