Can anyone help? Will give + 55 pts 5 Questions in total.

Question! A block of ice with an initial temperature of -20 C is heated at a steady rate. The graph shows how the temperature changes as the ice melts to become water and the water boils to become steam and water.

Note: The 2nd point on the line segment labeled A is (1, 0)

A. How long does it take all the ice to melt? It takes _ minutes for all the ice to melt.

B. From the time the heat is applied to the block of ice, how long is it before the water boils? It takes _ minutes for the water to boil.

C. Find the slope of the line segment labeled A.

D. Find the slope of the line segment labeled C.

E. Is the temperature changing faster during the first minute or the 16th minute ??