What is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the point (0, 9)?

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !