Find the number of sides for a polygon with an interior sum of 7,740°.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.