Answer:
I believe Commercial Mathematics is the kind of mathematics for the bussiness world. Where you calculate: There are 12 productions and three companies. Two companies already took 8 productions. How many productions will the last company take? Stuff like that.
Integers are whole numbers so the answer is -3
Answer:

Step-by-step explanation:
This root can be rewritten as:



Since 6487209 is a multple of 3, the expression can be rearranged as follows:

2162403 is also a multiple of 3, then:


720801 is a multiple of 3, then:

240267 is a multiple of 3, then:


80089 is a multiple of 283, then:




You can tell if two fractions are proportional by cross multiplying the fractions. If the fractions are equivalent, then they are proportional. If they are not equivalent, they are not proportional.