10) points p(-3,5), q(1,7), r(8,1), and s(-4,-5)
are connected to form a trapezoid. what is the
y-coordinate of the midpoint of sr?

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.