line a passes through (0,3) & (-4,8) line b passes through (0,5) & (5,9) lines a & b are?

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row