Consider functions f, g, and h. f(t) = 3x^3 + 9x^2– 12x
g(x) = x- 1
h(x) = 3x^2+ 12x
Which expression defines function h?
OA. (F/g)(x)
OB. (F•g)(x)
Oc. (+ 3)(x)
OD. (1 - 3)(I)

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

The system of equations graphed below has how many solutions? y = 2x + 2

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.