X = ?

PLEASE HELP! ILL MARK BRAINLIEST AND GIVE POINTS

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Write the pair of fractions as a pair of fractions with a common denominator

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition