Jared is 10 years old and peter is 15 years old. together they run 150 yards. how far does each brother run?

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

Ihonestly don’t understand this at all

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.