PLEASE HELP

find the length of arc AB. round your answer to the nearest hundredth.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9