Is 9in, 15in, 17in a right triangle

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.