Answer:
A. Examples of his many insightful talents
Explanation:
Leonardo da Vinci was very fascinated about anatomical studies and worked on dissection at hospital. In his painting, we can see the use of anatomical study very well. Also, from his sketch, we get to now about the first ever design of a helicopter. That's why option A describes da Vinci the best.
Answer:
Radar
Explanation:
Radar was developed as a means to track incoming enemy aircraft and find ground targets to bomb.
His mother will be 40 in 8 years. So, she is 32 now.
1/8 of his mother's age is 4, so, currently Jaden is 4 years old.
The difference are 28 years.
If he is currently 4 in 17 years he will be 21 years old and his mother will be 49,
21 is 3/7 of 49.
Therefore, the correct answer is, in 17 years.
Prices tend to rise if businesses cannot produce the quantity demanded by consumers. C.