How high must a mountain be to be a mountain?

What is the shape of a line with a zero slope? To the nearest hundredth what is the area of a circle with a circumference of 42 units? What congruent shape can 2 right-angled triangles make? In a cylinder what is a number that can be added to either radius or height to give the same increase in volume? Find the arc length of the major arc of 85 and 13? What is the area of Bulacan? What is a real life example? What are the three types of symmetry in science? Are shadows longer or shorter than your actual height? How do you measure a hypotenuse angle if you know the other two angles? What is the length to the nearest centimeter of a diagonal of a square 30 cm on a side? Is the dotted line a line of symmetry? What gives the coordinates and location of a point? What is a series of points that extends infinitely in the opposite directions? What is the radius if the surface area of a sphere is 452.16? What size in an acre? Is patio a concrete or abstract noun? Are all sides perpendicular in a rectangle? The area of a triangle XYZ is 48 inches the base of the triangle is 8 inches what is the height in inches? Are 24m 143m 145m sides of a right triangle?