Answer:
180
Step-by-step explanation:
It is always 180 for a angle like this.
Answer:
3003.
Step-by-step explanation:
This is the number of combinations of 5 books from 15 = 15C5
= 15! / 10! 5!
= 15*14*13*12*11 / 5*4*3*2*1
= 3*7*13*11
= 3003.
You take the total amount of birdseed (55 cups) and divide that by the amount of birdseed used each day (3/4 cup or 0.75 cup).
55/0.75= 73.33
so the birdseed will last 73.3 days