3. {6,9,15)
for these u have use Pythagoras theorem
Step-by-step explanation:

Answer:
D
when you look at it it is upside down so d is the right answer
Answer:
i think. 8 times 12 = 96 times 20 = 1,920
The answer is 340
Explanation:
(g o f)(2) = g(f(2))
f(2) = 6(2)² = 24
g(f(2)) = g(24) = 14(24) + 4 = 336 + 4 = 340