You need to find 24% of $7000 because that's the total interest over the course of 3 years. The answer is $1680
Y=2x+320
x being the number of years and 320 being the initial population of mice
Answer:
R.H.S:
= cos ( 90 - theta )
= cos (90) cos(theta) + sin(90) sin(theta)
= 0 + sin(theta) =>[ cos(90) = 0 , sin(90) = 1]
= sin(theta)