Determine whether these biconditionals are true or false. a.2 + 2 = 4 if and only if 1 + 1 = 2. b.1 + 1 = 2 if and only if 2 + 3 = 4.

the square root of what number? if you add that, then someone will probably answer the question.

irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: