Siena runs 5 miles more per week than her sister Padma. If Siena runs 17 miles per week, which equation could be used to find the number of miles Padma runs each week?

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

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Match each expression with its simplified form.