Chloe is installing new windows in her house and needs to determine the amount of sealant she will need around the outside edge of each rectangular window. each of the windows has an area of 2,160 inches squared with a length of 60 inches. what is the perimeter of each window?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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.