Answer:
B. 8,1 cm
Step-by-step explanation:
Take half of the diagonal:

I am joyous to assist you anytime.
Basically you have to use trigonometry to solve this. You will be using a sine ratio. Type sin-1(36/43). Use the 2nd button to do this. Your answer should be 56.84659158 but round to 57.
There are 20 groups of fish
Answer:
x = -9
Step-by-step explanation:
We are solving for x
Subtract 2 from both sides and you get:
4x - 9 = 5x
Then subtract 4x from both sides:
-9 = x
Answer:
I hope that this can help you