It takes Olivia one minute to swim 1/60 of a kilometre how far can she swim in 12 mins

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

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.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?