Use slope formula,, to find the slope of a line that passes through the points (–3, 8) and (4, –6). m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = what is the new equation written in slope-intercept form, y = mx + b?

4. jake needs to score in the top 10% in order to earn a physical fitness certificate. the class mean is 78 and the standard deviation is 5.5. what raw score does he need? z value for top 10% =1.282 how do i get the z value? what is the equation for this? raw score =mean+z*sd = 78+1.282*5.5 = 85.051