Leon needs $82.00 dollars for a new skateboard. he has saved $41.00. what percent of the total amount has he saved?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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.

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?