Asack weighs60.5kg is recorded to have weighed 62.65 find the percentage error

Evaluate the following expression 1/3^2

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?