Which statement is a main idea of “dorothy vaughan biography”?

a she write a manual about how machines do math.

b she was an educator before joining naca.

c dorothy works with both white and black women.

d dorothy is known as a pioneer in her work at nasa

In this unit ,we learned about arguments and rhetoric.in an argument we ,not informal language.

What task did the surveyors do? a. they studied the landscape to determine the most direct route for building a road. b. they designed treadmills that lifted blocks of stone to where they were needed. c. they dug trenches and filled them with sand, concrete, and large blocks to form a road.

Which is the most accurate definition of a clause? a) a clause is any group of two or more words. b) a clause is a group of words with a subject and a verb. c) a clause is a group of words with a subject and a verb that can stand alone. d) a clause is a group of words with a subject and a verb that cannot stand alone.