At the supermarket a 7.5-pound bag of beans costs $4.80. what is the cost per ounce of the beans?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.