Answer:575
Step-by-step explanation: deltamath
Answer:
im sorry, the answer to what?
Answer:
8
Step-by-step explanation:
x=average
(x+x+x+x)/4=average
to increase x by 2 you add 2
x+2=average
(x+2+x+2+x+2+x+2)=4=(4x+8)/4=x+2
you'd have to increase the sum by 8 to make the numbers' averages' go up by 2
Answer:
3^(n+1) - 3^n / 3^(n-1) = 6
