The point A(3,0) lines on which axis

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?