To paint his house, samuel bought 2 cans of paint and one roller for $30. when friends came over to , he went back to the store and bought three more cans of paint and two more rollers for $50. how much did he pay for a roller?

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250