If the instantaneous velocity of an object is zero, then its acceleration must be:

zero

positive

negative

100 m/s2

not enough information

Acylinder has volume 45π and radius 3. what is it’s height?

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

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