"a triangle compass needle will turn most easily if it's attached to the compass face through its centroid. find the coordinates of the centroid."​

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Which expression is the factorization of x^2+10+21

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )