Find all the missing angles

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?