This is a Dilations Kahn Academy question can I get help?

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

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

Which number completes the inequality? 2/3 < _ < 7/9