Simplify 3 ∙ 2x. what is the coefficient?
x
2
6
3

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.