For number 12 i got 65 am i correct look at the top picture to i need on number 12 you

Alake near the arctic circle is covered by a sheet of ice during the cold winter months. when spring arrives, the ice starts to melt. s(t) models the ice sheet's thickness (in meters) as a function of time tt (in weeks). s(t)=-0.25t+4

Can (3,5 and square root 34) be sides on a right triangle?

Can some one me with these questions