**4.**square, Any number that is the square of a rational number. For**5.**Any of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to write numbers.**7.**commonly used number system. A number that shows a value smaller**8.**equal signs (=).**11.**or radians.**12.**A term that describes the base-10 number system, probably the**15.**A ratio of numbers or variables. Fractions may not have**18.**x in the expression ax. For example, 3 is the exponent in 23.**19.**All positive and negative whole numbers (including zero). That is,**20.**0.**23.**A corner point of a geometric figure. For a polygon, vertices are**24.**The likelihood of the occurrence of an event.**25.**Theorem, An equation relating the lengths of the sides of a**29.**square of the hypotenuse.

**1.**The result of dividing two numbers or expressions.**2.**numbers we can multiply together to get another number.**3.**number, The numbers 0, 1, 2, 3, 4, 5, etc.**6.**The four sections into which the x-y plane is divided by the x- and**9.**0, 1, 4, 9, 16, 25.**10.**The distance around the outside of a plane figure. It is the sum of**13.**an object such as a triangle or circle.**14.**A mathematical sentence built from expressions using one or**16.**parts per 100, the symbol is %.**17.**The size of a surface. The amount of space inside the boundary of a flat**21.**adjacent sides meet.**22.**The ratio of the circumference of a circle to its diameter. It is written π.**26.**one.**27.**triangle. The sum of the squares of the legs of a right triangle is equal to**28.**Two rays sharing a common endpoint. They are typically measured in