18a: 3*3*3*2*a
20a: 2*2*5*a
6a: 3*2*a
the greatest common factor is 2a
Remember
(x^m)/(x^n)=x^(m-n)
7^16/6^12=7^(16-12)=6=7^4
so
7^4=7^-18/?
?=7^?
7^4=7^-18/7^?
7^-18/7^?=7^(-18-?)=7^4
-18-?=4
add 18
-?=22
tmes -1
?=-22
7^-22
answer is C
Answer:
What is y?
Step-by-step explanation:
Answer:
Shea's coworkers received .89 of a cookie each.
Step-by-step explanation:
18,698/297 = 62.9 rounded to 63
63/71 = .887 rounded to .89
.89 cookies
