Which of the following statements is false?

the sum of two rational numbers is always rational.

the sum of a rational number and an irrational number is always rational.

the product of a nonzero rational number and an irrational number is always irrational.

the product of two irrational numbers is either rational or irrational.

Ihave trouble finding the nth term of a linear sequence

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

The equation shown below represents function f. f(x)= -2x+5 the graph shown below represents function g. which of the following statements is true? a. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is less than the y-intercept of function g. b. over the interval [2, 4], the average rate of change of f is greater than the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. c. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. d. over the interval [2, 4], the average rate of change of f is less than the average rate of change of g. the y-intercept of function f is the same as the y-intercept of function g.