Which statement is not always true?
a. the sum of a rational number and an irrational number is irrational.
b. the sum of two rational numbers is rational.
c. the product of two irrational numbers is irrational.
d. the product of two rational numbers is rational.

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4