A submarine is at a depth of 141m when it is directly under a point 350m along the surface from the point where it submerged. What is the submarine's diving angle. Round to the nearest degree if necessary.

If lmn=xyz, which congruences are true by cpctc? check all that apply

Bring the fraction a/a-4 to a denominator of 16-a^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