Simplify the expression: 3^-3
a) -1/27
b) -27
c) 27
d) 1/27

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?