In the diagram below, PR and ST intersect at Q such that angle QPT is congruent to angle SRQ . If PQ=9, 6, PT=6, TQ=5 and SQ=8 then which of the following is the length of SR?

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups

What are the solutions of the following system? y=-2x^2 y=x-2