Can we please have some help

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that