What is a polinth?

The formula for the perimeter of a rectangle is P equals 2W plus 2L with perimitor of 100 length 30? When y equals 1 what is x in the function 5x-8 equals y? Is term also means expression in algebra? What is the measure of one angle regular polygon with 9 sides? Are there answers for Houghton mifflin math text book grade 5? How do you multiply a binomial with another binomial? Is 3 decimal 6 a perfect square? Is the set of all values a function will accept as inputs? The lines shown below are perpendicular. If the green line has a slope of - 1/9, what is the slope of the red line? What is the collection of all items of interest in a study? What number is ten thousand less than 985970? Is most best in a sentence right? 10 deposited in the bank for a year with a 6 interest compound rate at the end of 3 years your balance is? What is one half times five sixths? What is the definition of excel? What are 3 consecutive integers that equal 114? Two fewer than ten times a number is 78 What is the number? The fractors of 40? How do you write the inverse of a statement? Compare the absolute value of -7 with the absolute value of 7?