Answer:
4
Step-by-step explanation:
the difference between the numbers is 4
Answer: 78
6(4+9)
use foil to distribute the 6 to the 4 and 9
6×4 + 6×9
24 + 54
⇒ 78
<u>right triangle.</u>
∠1 = 180 - 90 - 40
∠1 = 50°
Answer: B!