PLEASE HELP M!! What is the value of cosC?

8/15

15/8

15/17

8/17
A right triangle labeled A B C with right angle at vertex B, A B equals 8, B C equals 15, and A C equals 17

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.