abebe is 12 years old and his sister aster is 2 years old. In how years abebe be exactly twice as old as aster

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units