Gh is a half of DF because it is a midline
2(3x-4)=9x-59
6x-8=9x-59
3x=51
X=17
Tn=n²+3
from 4 to 7....the difference is 3, then from 7 to 12 the difference is 5 and from 12 to 19 the difference is 7
therefore we constantly add 2 to the difference
6(5)-7
30-7
23
The answer is false because it doest equal 29
Answer:28
Step-by-step explanation:
7+7+7+7
