(5 1/4)÷(−2 1/2)? please help me

Abig remake 100 loaves of bread in one day how many loaves does the bakery make in 6 days

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.