From the similar triangles in the diagram, write a proportion using the ratio wx/wv a. vx/xy=wv/vy b. vx/vy=wv/wy c. vy/vx=wy/wv d. wv/vy=vx/xy

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)