Best estimate for a fox in meters

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes