
<em>combine like terms</em>

The answer is A, developed nations make up about 20 percent of population yet consume 75 percent of sources.
The ratio of building heights will be the same as the ratio of shadow lengths.
(taller building)/(shorter building) = (longer shadow)/(shorter shadow)
(taller building)/(84 ft) = (110 ft)/(46 ft) . . . . . . fill in the given numbers
(taller building) = (84 ft)*(110/46) ≈ 200.9 ft . . multiply by 84 ft, evaluate
The appropriate selection is
D) 200.9 ft
When the radius is doubled, the volume of a cylinder quadruple
Wait I don’t understand what u need