Round 4:
ivan and three acrobats are matched up against a team of grandmas. the result is a tie-- the two
sides are evenly matched. how many grandmas were on the team? explain your reasoning.

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

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?