Answer:

Step-by-step explanation:
To obtain the result of a fractions multiplication we need to multiply both numerators and the divide by the multiplication of the denomitators. In general, given a,b,c,d real numbers with b and d not zero, we have that

Substituting a,b,c and d for 8,15,2 and 13 we obtain that

Commutative law: a+b=b+a thats it...
So 9+7 can also be written as 7+9=16
I forgot how to do this but i really wish i could help u
Answer:
4 Terms.
Step-by-step explanation:
5x4
6x3
-2x
7 are all of the terms in the expression.