Answer:
0.451
Step-by-step explanation:
When you do cos^-1 0.9 ~ .451
You can’t add pi because you have an interval.
Hope this helps :)
Answer:

Step-by-step explanation:

I am joyous to assist you anytime.
Answer:
70 yards.
Step-by-step explanation:
50% is also 1/2, so you put 140/2, and get 70.
Answer:

Step-by-step explanation:
Step-by-step explanation:
M =<u> y</u>
b
That is the answer