Traveling 15 meters in 30 seconds means a speed of ?

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 number of pages in the u. s. tax code exceeds the number of pages in the king james bible by 18,528. the combined number of pages in the tax code and the bible is 21,472

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2