7.75 pounds of seed are needed per acre
Answer:
and 
Step-by-step explanation:
Recall that
is a value of the function cosine for the special angles:
and
, then:

Answer:
i think its D but im not entirely sure, im sincerly sry if im wrong
Step-by-step explanation:
The answer is 28.26 because to find the area of a circle you need to do pie time radius squared.
C.6 is your answer. half of 4 is 2, and your smaller triangle is 2 and 3, half of 6 is 3.