Which is equivalent to 4x^-2 y^3 /2x^4 y^-2
A. 2x^6 / y^5
B. 2x^2 / y
C. 2y / x^2
D. 2y^5 / x^6
E. 2 / x^6 y^5

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 =

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Which of the following is the correct ratio for converting kilograms to grams