Ineed the answer by ! pl the price of a professional sound system was reduced by 15%. what is the new price, if the original price was d dollars?

(40 points) i need some . an answer definition is appreciated as well.

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?

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so