What is the square root of 75 using imaginary numbers

Perform the required operations on the following functions given: f(x)= 3-x; g(x)= -2x find g[f(x)]

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16