Sherrie has 8 books but only 4 fit in her bookbag. How many ways can Sherrie choose the four books to go in her bag?

Find the nonpermissible replacement for binthis expression. b2/5b +5

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?