a figure has been shrunk from center o scale factor r= 0.25 what scale factor would enlarge the figure back to it original size?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,

Qrst is a parallelogram. determine the measure of ∠q pls