Please name these property's that are represented 3(x+9)= 3(x)+3(9) 3(x+9)= 3(9+x) 8m/m=8 8+(m-m)=8 mn=nm

3(x+9)= 3(x)+3(9) distributive
3(x+9)= 3(9+x) commutative
8m/m=8 multiplicative identity
8+(m-m)=8 additive identity
mn=nm commutative

what is the greatest 5-digit number that is divisible by both 24 and 50

we first determine that the lcm(24,50)=2^3*3*5^2=600 

then we can multiply 600 until we achieve our goal 


the result is 96,000 


:)

What is 'set of real numbers'?

Every number on the number line is a real number. So all rational and irrational numbers.

can a negative number be considered a real number ?

Yes - any number that can be graphed on the number line is a real number :)