For which values of x does the expression x + the square root of 3 represent a rational number?

What is the answer to this problem 7 * 5/6

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex