I need help understanding. Please EXPLAIN how you get the answer. Thank you!

How can we find the measure of an exterior angle if we know the measurement of an interior angle

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant