The perimeter of a quadrilateral is 35 centimeters. find the length of each side.

side 1: x^2-2x
side 2: 3x-4
side 3: x+2
side 4: x+9

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?