Find the requested function and state domain. find f·g, for f(x)=1/x-5 and g(x)= 7/x

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

How does reflecting or rotating a figure change the interior angles of the figure?

Which statements are true about additional information for proving that the triangles are congruent check all that apply