Thee rectangle below is a scale drawing of a room. If the scale for the room is 1cm:3feet, what are the dimensions of the actual room?

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

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.