On a track at school, Suzy ran 1/2 a lap in 2/3 minutes. What is the unit rate in minutes per lap?
A)11/3
B) 11/6
C)3/4
D)1/31

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Factor this polynomial completely x^2-64