Enable text based alternatives for graph display and drawing entry

Try another version of this question

A patio set is on sale for `$108`. It's regular price is `$156`. What is the difference between the regular price and the sale price?



Check your answer:

`$108` + `$` = `$`

X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]