(a) 88.83 is what percent of 21?

(b) 25.83 is 52.5% of what number?

Thanks!!!

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

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At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?