Write each statement as an integer. enter your answer in the provided space and include the hyphen "-" for negatives. don't include commas. 10 degrees below zero = answer 50∘f = answer a loss of $20 = answer an altitude of 15,000 feet = answer 35 feet below the surface = answer 120 feet below sea level = answer

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Can someone me and explain..will award brainlest!

Write as a product of two polynomials. 2(3–b)+5(b–3)^2