(r/s)(3)=

don’t understand what it’s asking

What situation is an example of an observational study

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$