Katie bought 4 sweaters that each cost the same amount and 1 skirt that cost 20$. the items she bought cost a total of 160$ before tax was added. what was the cost of each sweater?

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).

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate