What is the difference bewteen a repeating decmail and a terminating decimal

Answer this question only if you know the answer! 30 points and

Josephine has a great garden with and area of 2x2 + x - 6 square feet

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? $$