N is an integer
Write down the values of n such that -15<3n\<6

To show that polygon abcde is congruent to polygon fghij, a must be used to make the two polygons coincide. a sequence of two transformations that can be used to show that polygon abcde is congruent to polygon fghij is .

When are two distinct non vertical lines parallel

Simplify the expression 10/11(22z) + (a+5) -1