How can I simplify b x b x b x b

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)