If jacob has an 80 in his class and gets an exam back that's worth 30% of his grade and it is a 50% score, what is his overall grade?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?