HELP MEEE PLS

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 =

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?