C(x)=85x+600 find C(25)

Multiplying an even number of negative numbers gives an answer that is choose from:

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =