Sea level = 0 Portland, Oregon is 50 ft
above sea level.

Death Valley, California is 282 ft below sea level.

Traveling from Portland to Death Valley the elevation goes .

answer: i don't understand it

step-by-step explanation: sorry

i think the length is 12 and the width is 17

2x + 8

step-by-step explanation:

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a