What is the decimal expansion of the following fraction?

1/2
15 points

Which of the following are accepted without proof in a logical system? check all that apply.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year