An invoice quotes a price of $620 subject to discounts of 30%, 15%, and 5%. what is the selling price? (round off your answer to the nearest cent.) a. $310.00 b. $350.46 c. $434.00 d. $368.90

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655