At the library by 9 books on a certain topic the librarian tells you that 55% of the books on this topic have been signed out how many books does the library have on the topic if 55% of the books have been signed out what percent of the books have not been signed out

Which of the following three dimensional figures has a circle as it’s base

Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal