Peter buys 8.5 square feet of carpet. the carpet costs $10.20 per square foot, how much does peter pay for the carpet?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1