Concentrations of three wines A, B and C are 10%, 20% and 30% respectively. They are mixed in the ratio 2 :3 : x resulting in a 23% concentration solution. Find x. a. 7 b. 6 d. 4 C. 5

2pointswhich of the following appear in the diagram below? check all that apply.d a. zcdeов. сеo c. aéo d. zdce

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?