Choose the answer that makes the sentence true. the number π is irrational or rational

What are the relative frequencies to the nearest hundredth of the columns of the two-way table? a b group 1 102 34 group 2 18 14

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0