There are 250 bricks to build a wall that is 20 feet high. how many bricks will be used to build a wall that is 50 feet tall?

Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8