from a prior scene the audience knew that the lead was hysterical because of the contemptible villain

Hello User,

First of all, you need to know what a suffix is. It is an addition that you basically glue onto a word - you have the basic form of a word (for example, play), and then you add the suffix at the end (-ing), and you get a new word (playing).

Having this in mind, there are two correct options here: hysterical (derived from hysteric + suffix -al), and contemptible (derived from contempt + suffix -ible).

a) he encouraged islamic schools to introduce greek texts.

d) he invited greek scholars to teach their texts to the locals.

explanation:

the answer can be "credo" it means to believe = the word credo means "an official statement of beliefs"