Find the volume of a pyramid with a square base, where the perimeter of the base is 8.7\text{ cm}8.7 cm and the height of the pyramid is 6.3\text{ cm}6.3 cm. Round your answer to the nearest tenth of a cubic centimeter

The square root of 9x plus 7 plus the square rot of 2x equall to 7

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?