Let a be a rational number and b be an irrational number. which of the following are true statements? a. the sum of a and b is never rational b. the product of a and b is rational c. b^2 is sometimes rational d. a^2 is always rational e. √a is never rational f. √b is never rational

Which function has the domain x> -11?

What is the area of the shaded sector?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.