Carla invests $500 in an account that earns 4% annual interest. In approximately how many years will she have doubled her investment? A 14

OB. 18

OC 21

OD 24

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Jim had 15 minutes to do 5 laps around his school what would his time be