3/8 of the cast sing and what fraction doesn't sing

Draw a scaled copy of the circle using a scale factor of 2

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

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.