Answer:
GCF = 12
Step-by-step explanation:
72 = 2³·3²
84 = 2²·3·7
Common prime factors are 2 and 3. The lowest power of 2 is 2; the lowest power of 3 is 1. The greatest common factor is 2²·3 = 12.
Answer:
C
Step-by-step explanation:
5.-10.20.-40.80.-160.320
This pattern shows each number being multiplied by -2
Answer:

Step-by-step explanation:
The sum of the two roots gives you the x term of the quadratic.
Answer:
6
Step-by-step explanation:
(2)/((6)√(8))*√(2)-((18)/√81))-2)
(6)sqrt√8 = 6sqrt √2³= 2^3/6=2^1/2= √2
(2√2)/√2 -(-18/√9²)-2)
2-(-18/9 -2)
2-(-2-2)=2+4=6