Answer:
A. 9x^4 and 3x^5y
Step-by-step explanation:
there are two ways to solve this:
first way:
You can solve this my substituting numbers for x and y in this case i used 2 for x and 3 for y and see which one is equal to the original equations
the second way is the regular way
when you add or subtract numbers with variables and exponents you want to add the constants and add the exponents in this case 
is the same as 
= 
and you can do the same process for subtraction
= 
Answer:
Step-by-step explanation:
Answer:
I just did it its 1/3n - 5
Step-by-step explanation:
Answer:
Step-by-step explanation:
90÷4=22.5
30+20+20+20=90
original number with greatest value are 34,24,23,22
greatest sum=34+24+23+22=103
Answer:
They educated people. They cared for sick villagers. They helped feed people who lived in poverty.
Step-by-step explanation:
I just got it correct.
Hope this helps! ^^
Sorry that I probably didn't help you in time!
