Jeff and ed are climbing a small mountain. the height jeff climbed with respect to time is given by the function h(t) = -250|x − 4| + 1,000. ed’s height with respect to time is modeled in the graph.

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

X+ y = 5 ; x - y =3 solve using linear combination

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?