Aset of data with a mean of 62 and a standard deviation of 5.7 is normally distributed. what is the value that is −1 standard deviation from the mean

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.