Answer:
8x-8
Step-by-step explanation:
if Lana is X year
then that makes Yan 3X-4
the father is twice the sum of their ages
3X-4+X=4X-4
the father being twice
his age should be
8X-8
Answer:
6·2^2 + 6·11^2 + 6·3^2 - 2·2^2 - 2·3^2 = 778 inches²
Answer:
x=2
Step-by-step explanation:
12-10=2
Angles 1 and 2
Angles 3 and 4
Angles 5 and 6