Question

There
two mistakes in
your essays (is/are)​

Answer 1

Answer:

There are two mistakes in your essay

Explanation:

are will come because two is plural

Answer 2

$\huge \fbox\orange{answer}$

There are two mistakes in your essay

$\huge\fbox\red{reason}$

Here are is used because there are more than two mistakes in that essay so we can not use is as it is used for single.