900 lines are premium rate telephone numbers which charge far in excess what you would expect normally to pay to make a phone number. Part of the call charge is paid to a business provider, so the business is funded by phone calls made.
Not exactly sure what you mean by this.
Exactly as in the question 900
a line/shape is exactly the same as another line/shape. They have the same length, volume, and angles
means that you can divide the shape in half and both halfs will be the same exactly
Heptastich refers to a poem or stanza that has exactly seven lines. Each line in a heptastich can vary in length and meter.
It is a Geometry Theorem. "A line and a point not on the line lie in exactly one place" means what it says.
No. A tangent touches the circle at exactly one point. A line that intersects a circle at exactly two points is a secant.
900 of them.
900
exactly 900.
Two angles are congruent if they both measure exactly the same number of degrees. Two line segments are congruent if they both have exactly the same length.
The moon and earth are always exactly in line; any two points define a line. When the earth moon and sun are all exactly in line, that is different. When this happens it is either a solar eclipse or it is a lunar eclipse.