On a given day, 80% of salmon passing through a single dam are unharmed by what percent does the number of salmon decrease when passing through dams?

Sketch one cycle if the cosine function y=2cos2theta

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true