Answer:
I=Prt, I=simple interest, P=principal (starting amount), r=interest as a decimal, t =number of times the interest is paid or "time"
For example the simple interest earned on a $1000 deposit earning 4% APR for ten years is:
I=1000(.04)10
I=$400.00
Step-by-step explanation:
#8 you do 360= 112+136+x... then you solve for x. X=112. Now you divide this by two since it is an inscribed angle. For #9 I have this very simplified work in the picture. Sorry I did not do #10
3.50m+75 for the 30 miles, he is being paid 105 plus the daily amount of 75 which equals to 180$.
Astronomers deal with objects in space, so it's most likely they would use geometry to determine how far they are, how big they are, etc.
Have a nice day! :)