Sophia has 13 shapes. There are triangles, rectangles, and hexagons. Four shapes has 3 straight sides. Two shapes are hexagons. How many shapes are rectangles?

Answer this question! 30 points and brainliest! only if you know the answer.

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective