A+b=30, a-b=20, a/b=?

Plz ! what is the volume of this pyramid? with numbers of 30cm 14cm 18cm

The empire state building in new york city is 1454 feet tall a model of a building is 24 inches tall what is the ratio of the height of the model to the height of the actual empire state building

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.