Intersecting lines are lines that meet at some point while perpendicular lines are intersecting lines that makes a right angle at the point of intersection.
Two line can either be intersecting or perpendicular. It is not possible to have two line that is neither intersecting or parallel.
90*345=
31050
Hope i helped.

- Simplify ⇨ 19m + 14 - 3 (3m + 7)


Use the distributive property to multiply -3 by 3m+7.

Combine 19m and -9m to get 10m.

Subtract 21 from -14 to get -35.

The answer should be b¹². You add the exponents of each constant. In the case of the simple b the exponent would be one.