What is the surface area of the sqare meters 3m 7m 7m

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 =

How far is x from 5 on a number line?

Can someone pls ! pls answer all. no explanation needed..