Joe's test grades in History class are: 92, 81, 85, 89, and 90. Tests count as 80% of the final grade, and the final exam counts for 20%. What is the minimum score Joe can get on the final exam and average

With: label the vertices and all the elements needed. find x

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882