Ryan’s age in years is 7 more than 3 times bryan’s age. if ryan is 25 years old, how old is bryan?

The variable in a relation who’s value depends on the value of the independent variable is called what?

Me d is also an option but i couldn't get it in the picture

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?