Miss Warren the PE teacher is pairing off students to race against each other and her can run 6 m/s and Keira can run 7 m/s Miss Warren decides to give Santa a head start of 4 m and she runs more slowly ones the student starts running Kiérah will quickly catch up to Santa how long will that take? How far will Keira have to run?

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Plz hurry evaluate the expression a+b where a=8 and b=19