Question number 2 please​

What is 20+(5 x 2/5 )+ 3 show your work

As a salesperson you get $50/day and $3.60/each sales you make.if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.

Corresponding angles are a. always b. sometimes c. never congruent