Answer:
4a) 9n - 3
4b) n = 11
Step-by-step explanation:
3(3n - 1)
9n - 3
9n - 3 = 96
9n - 3 + 3 = 96 + 3
9n = 99
9n ÷ 9 = 99 ÷ 9
n = 11
m+2/2 = 1/2
m=0.5
so
2m+4=5 is the correct answer
482
!!!!!!!!!!!!!!!!!
Answer: V=πr^2h=π·4^2·8≈402.12386cm^2