LABC measures 90° and ZABD measures
25. What is the measurement of ZDBC?

Which of these choices show a pair of equivalent expressions?

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

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?