The grades on a chemistry midterm at Loyola are roughly symmetric with p = 67 and o = 5.5. Tiffany scored 53 on the exam,
Find the z-score for Tiffany's exam grade. Round to two decimal places.

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.