A30 foot tree broke from its base and fell against a house. if the tree touches at 21 feet what angle is the tree forming with the house?

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

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Which best explains why this triangle is or is not a right triangle ?