It’s “A” because you need to add the four sides together which gets you the 40 cm sorry if it is wrong but I think it is that
Step-by-step explanation:
In the picture above.
Number 2 I suppose that as a straight line
so , it becomes easy to solve for y angle.
I hope that it's a clear solution.
Answer: Length of each part of his journey is

Explanation:
Since we have given that
Tortoise must walk run
miles to visit a friend.
According to question,
He plans to break a journey into four equal parts .
Length of each part becomes

Hence, length of each part of his journey is

Answer:
x = 3/2, -3
Step-by-step explanation:
2x^2 + 5x - 9 = 2x
2x^2 +3x -9 = 0
(2x - 3) (x + 3) = 0
x = 3/2
x = -3