Use polynomial identities to prove that 99 = 100 - 1 Please show and explain all your work, thank you for your help.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Find the ratios of the corresponding sides