Hi i need
joey can purchase a 20 pound item from two online stores bargainz. com sells the item for 75.50 plus .50 per pound for shipping and handling alwaysdiscount sells the item for 70.35 plus a flaat fee of 15 for shipping and handling which store has the better buy

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

Which strategy is used by public health to reduce the incidence of food poisoning?