Please help me!
The next thing is what has to come and the first thing is what i have to do
(5,3) is what has to come for a) and etc etc is in the pics!!!

2-digit numbers less than 91 which are 1 less than a multiple of 10

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Which is the scale factor proportion for the enlargement shown?