1. solve the equation by finding square roots. 4a^2+16=0 2. solve by factoring. w^2+7w+10=0 3. solve the equation by finding square roots. 72b^2=18

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

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?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?