What is true about the sum of the measures of any two non-right angles in a right triangle?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected