What are the endings, singular and plural, to a first declension noun?
Singular: -a -ae -ae -am -a Plural: -ae -arum -is -as -is
What is the formula for the law of cosines?
C^2=a^2+b^2-2ac(cos(theta))
Which part(s) of the following sentance contains an error: As a writer; I spend alot of time reading the work of others, writing my own work and editing my work.
As a writer; Should be: As a writer, alot Should be: a lot my own work and editing Should be: my own work, and editing