Answer:
61
Step-by-step explanation:
a = 17
d = 21 - 17 = 4
12th day: 17 + 4(12 - 1)
17 + 44
61
The third term is 7
2(3) + 1 = 7
Hope this helps!
Find the average.
6+4=10
10/2=5
It takes 5 hours

<u><em>Step-by-step explanation:</em></u>
- Since the triangle is right use the tangent ratio to solve for x

- Multiply both sides by
x ×
( divide both sides by
)
x = ≈ ( nearest tenth )
The answer is d because 4+8=12 and they are 4 units away from eachother:)