The formula of an area of a triangle:

b - base
h - height
We have b = 8x and h = 7x. Substitute:

<h3>Answer: 28x²</h3>
Answer:
Step-by-step explanation:
yes it is a geometric sequence
a1=3
r=-3/3=-1
Answer:
53/54 = 106/108
Step-by-step explanation:
You can find the answer because 53/54 * 2/2 = 106/108
2/2 = 1 - right? When you multiply any number by one, it stays the same. That's how you can tell, 53/54 = 106/108.
Answer: 56.44 km/h
Step-by-step explanation:
Speed = Distance / Time
Time = 1950 - 1520 = 4 hours 30 minutes = 4.5 hours
Speed = 254/4.5
= 56.44 km/h