Ms. smith has 28 sixth graders and 35 seventh graders for math. if she wants to break the two grades into identical groups without any students left over, how many students will be in each group? is it lcm or gcf?

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?