Z=xy+y−−−−−√, x=cosΘ,y=sinΘ, then atΘ=π2,dzdΘ=

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Percent increase and decrease. original number: 45 new number: 18

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit