Answer: 75%
Step-by-step explanation: So 15/20 simplified is 3/4 and 3 divided by 4 equals 0.75. To convert a decimal to a percentage, you multiply 0.75 by 100 to get 75%.
They both have the same number and relat togethor
There are 8 weeks and 18 books. therefore you would multiply these numbers together.
the answer would be 144 different combinations.
not sure about the permutation or combination notation, but I got you on the first part!
Answer:
You greatest common factor is

Step-by-step explanation:
You need to find a number and letter which goes into both monomials.
,
Split both monomials up, into each integer and letter.
INTERGERS: 6, 3
LETTER t:
,
LETTER z: 
3 goes into 6 and 3.
goes into
and
.
Nothing goes into
and 0.
You greatest common factor is

Therefore
