Proportion of families in the US who were homeless in 2010. The number of homeless families1 in 2010 was about while the total number of families is given in the 2010 Census at78 million.

(a) Give the correct notation for the quantity described.
(b) Round your answer to five decimal places.

Really need on these. i have no idea what to do

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

Lassify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3) linear function; linear term: −21x; constant term: −6 linear function; linear term: −18x2; constant term: −6 quadratic function; quadratic term: 6x2; linear term: 24x; constant term: −6 quadratic function; quadratic term: −18x2; linear term: −21x; constant term: −6