64 solid iron spheres each of radius x cm are melted to form a sphere with radius y cm .find ratio x: y

Need this asap if anyone can i would be very grateful. if you could show workings that would really

What is the area of the shaded sector?

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i. e dependent variable) and identify the independent variable.