What the answer pls tell me pls i need this for middle school thx you s much

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 =

The measure of an angle is 117°. what is the measure of a supplementary angle?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1