In the figure, polygon abcd is dilated by a factor of 2 to produce a’b’c’d’ with the origin as the center of dilation. point a’ is at (2, 1), (-2, -2), (1, 2) or (-2, 2) , and point d’ is at (-2, 2), (4, -2), (4, 2), or (-2, -2)

Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =

What are the domain and range of the function? f(x) = -4 (sqrt)x

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)