The scatter plot shows the average monthly outside temperature and the monthly electricity cost
Based on the scatter plot, what is the best prediction for the electricity cost if the
temperature for the month is 21°C?

$450
$500
$600
$700

The sum of two numbers is 86, and their difference is 20. find the two numbers

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?