Find the number that we can place in the box, so that the resulting expression can be factored as the product of two linear factors.
\[3mn - 6m + 5n + \boxed{\phantom{00}}\]

The triangles are similar. what is the value of x? show your work.

What is the solution to the inequality? 6x−5> −29, a x> −4 bx> 4 cx< 4 dx< −4

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.