Choose the grammatically correct sentence (A or B). A. Did it hurt when you fall on the playground

B. Did it hurt when you fell on the playground​

What prediction did douglass’ owner master make about what would happen if he learned to read? did it come true? why or why not?

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed

Select all of the correct answers. what arguments does susan b. anthony make in this excerpt from her speech?