Which statement best expresses the central idea of the excerpt?

James Jay was a spy for the Americans and had knowledge of chemistry.
James Jay’s invisible ink system allowed Washington to write secret messages.
James Jay believed secret messages that became visible because of heat were not secure.
James Jay’s system required two chemicals for writing and reading invisible ink messages.

Determining sentence type match each sentence with its type. i looked over my shoulder, because ! had an eerie feeling simple the child ran to greet the dog, and the teddy bear fell to the ground. compound-complex the leaf broke loose from the gnarled branch complex while the moon was full, the wolves howled and the dogs slept. compound

Read the following excerpt from life on the mississippi by mark twain. no girl could withstand his charms. he "cut out" every boy in the village. when his boat blew up at last, it diffused a tranquil contentment among us such as we had not known for months. but when he came home the next week, alive, renowned, and appeared in church all battered up and bandaged, a shining hero, stared at and wondered over by everybody, it seemed to us that the partiality of providence for an undeserving reptile had reached a point where it was open to criticism. how does twain's use of understatement serve his purpose? be sure to use specific details from the text to support your answer.

Samuel johnson and oliver goldsmith had which of these in common? select all that apply. sensibility difficult poetic diction life of poverty distrust of parliament whig party leanings admiration of swift and pope